Astronomy - Part 2
207 reports
Supernova Experiments Reveal New Clues to Element Formation in Stars
Two new studies use nuclear experiments and astrophysical modeling to clarify how supernovae forge and distribute elements like titanium and nickel, offering the most precise look yet at the processes that shape the chemical makeup of the universe
Comet McNaught Surges in Brightness After Solar Outbursts
Comet 220P/McNaught unexpectedly brightened by a factor of 20,000 during two recent outbursts near its closest approach to the Sun, offering a rare opportunity for telescopic observation before it fades from view
BepiColombo Prepares for Dual Mercury Orbit as Separation Nears
After nearly eight years in transit, ESA and JAXA's BepiColombo mission is set to split into two orbiters at Mercury, aiming to resolve key questions about the planet's surface, magnetic field, and formation using coordinated observations.
Hubble Reveals Giant 10-Sided Cloud Structure at Saturn's South Pole
Astronomers using the Hubble Space Telescope have identified a vast, ten-sided atmospheric pattern encircling Saturn's south pole, challenging assumptions about the planet's unique polar weather and raising new questions about giant planet meteorology
Falcon Heavy Launches NASA's Roman Telescope Toward Deep Space Science
SpaceX's Falcon Heavy rocket has launched NASA's Nancy Grace Roman Space Telescope, sending the observatory on a million-mile journey to its operational orbit beyond Earth
Early Universe Black Holes May Be Smaller Than JWST First Suggested
New analysis of James Webb Space Telescope data indicates that supermassive black holes in young galaxies may be far less massive than previously estimated, challenging earlier assumptions about their rapid growth and the evolution of early cosmic structures
BepiColombo Prepares for Critical Mercury Arrival Maneuver
ESA and JAXA's BepiColombo spacecraft will soon separate its orbiters for Mercury capture, marking a pivotal phase in the mission's multi-year journey to study the planet's surface and magnetic environment
Pioneer 11's Saturn Flyby Tested the Limits of Deep Space Navigation
NASA's Pioneer 11 spacecraft became the first probe to traverse Saturn's rings in 1979, gathering data on the planet's moons, rings, and magnetic field while clearing the way for later missions to the outer solar system
Stellar Spin Explains Dimming Flares from Black Hole Encounters
Astronomers have modeled why repeated flares from stars grazing supermassive black holes fade over time, revealing that a star's rotation and binary history play a key role in the observed dimming
SpaceX Crew-13 Launch to ISS Delayed by Dragon Propulsion Leak
NASA and SpaceX have postponed the Crew-13 mission to the International Space Station after detecting an oxidizer leak in the Dragon spacecraft's propulsion system. The new launch date remains unconfirmed as teams investigate the issue
Roman Space Telescope Launch Draws Attention Amid Policy Reversal
NASA's Nancy Grace Roman Space Telescope launched successfully, marking a milestone for infrared astronomy after years of budget uncertainty and political debate over its funding and future
Nancy Grace Roman Space Telescope Prepares for Launch and Legacy
NASA's Nancy Grace Roman Space Telescope, named for the agency's first chief astronomer, is nearing launch. The mission aims to investigate dark matter, dark energy, and exoplanets with advanced infrared instruments
Nancy Grace Roman's Legacy: The Astronomer Who Shaped NASA's Vision
As NASA prepares to launch the Nancy Grace Roman Space Telescope, the story of its namesake-pioneering astronomer and the agency's first chief of astronomy-offers insight into the evolution of space science and the people who shaped it
Gemini 5 Mission Sets New Space Endurance Record for NASA in 1965
NASA's Gemini 5 mission demonstrated that astronauts could survive eight days in orbit, providing crucial evidence for the feasibility of future lunar missions and marking a turning point in human spaceflight duration
Cloud 9 Galaxy May Be the Closest Starless Galaxy Candidate Yet
Astronomers using the Gran Telescopio Canarias and Hubble Space Telescope have identified Cloud 9, a galaxy near Messier 94, as a leading candidate for a starless galaxy dominated by dark matter and gas
NASA's Roman Space Telescope Set for Launch to Map Distant Cosmos
NASA's Nancy Grace Roman Space Telescope is scheduled to launch from Florida, aiming to investigate exoplanets, dark matter, and distant galaxies with a wide-field infrared observatory. Its first science images are not expected until 2027
NASA's Roman Space Telescope Nears Launch After Budget Uncertainty
NASA's Nancy Grace Roman Space Telescope is set for launch after nearly two decades of development, overcoming a threatened cancellation and major funding cuts to become the agency's next flagship observatory for dark energy, exoplanets, and cosmic structure
Webb Telescope Reveals Planet Formation Depends on Rapid Disk Evolution
Astronomers using the James Webb Space Telescope have tracked how gas and dust escape from disks around 72 young sun-like stars, showing that planet formation must compete with the rapid dispersal of raw material
NASA Telescopes Reveal Unusual Extra Arms in Spiral Galaxy NGC 4258
A composite image from NASA's Chandra, Hubble, and James Webb telescopes reveals the spiral galaxy NGC 4258, highlighting two anomalous extra arms shaped by its central supermassive black hole
Ariane 6 Launches Final Meteosat Third Generation Weather Satellite
Europe's Ariane 6 rocket has launched the MTG-I2 satellite, completing the Meteosat Third Generation constellation for advanced weather monitoring from geostationary orbit
Citizen Scientists Capture Total Solar Eclipse in Spanish Village
A team of citizen scientists and astronomy enthusiasts gathered in Valoria la Buena, Spain, to observe and document the total solar eclipse on August 12, using telescopes and live data feeds to study the Sun's corona under rare atmospheric conditions
ALMA Reveals Persistent Hotspots on Betelgeuse's Turbulent Surface
Astronomers using the Atacama Large Millimeter/submillimeter Array have mapped Betelgeuse's surface in unprecedented detail, revealing long-lived hotspots and complex plasma flows that challenge current models of red supergiant stars
Earth-Facing Sunspot Fires M6.9 Flare and CME Toward Earth
A highly active sunspot has produced an M6.9-class solar flare and launched a coronal mass ejection toward Earth, raising the possibility of geomagnetic disturbances and enhanced auroral activity later this week
ISS Spacewalk Removes Failed Antenna but Leaves Replacement Unfinished
ESA astronaut Sophie Adenot and NASA astronaut Anil Menon spent over six hours outside the International Space Station on August 18, 2026, removing a malfunctioning antenna during a technically demanding extravehicular activity
Pluto's Planet Status Revisited as Astronomers Debate IAU Definition
Two decades after Pluto was reclassified as a dwarf planet, new observations and ongoing debate among planetary scientists are challenging the criteria that define what counts as a planet in our solar system
Milky Way's Oldest Known Merger Leaves Lasting Mark at Galactic Center
Astronomers have identified evidence of the Milky Way's earliest known galactic merger, using Hubble Space Telescope data to trace ancient globular clusters and reveal a collision that shaped the galaxy's core nearly 12 billion years ago
NASA Backs 18 Advanced Concepts for Future Space Missions
NASA has awarded funding to 18 early-stage technology proposals, supporting research into new mission concepts including lunar cave exploration, exoplanet imaging, and distributed probes for Saturn's rings
Seventeen Spacecraft Reveal Asymmetric Structure in Solar Ejection
A coronal mass ejection observed in December 2024 was tracked by 17 spacecraft across the solar system, revealing an unexpected double-lobed structure with significant speed differences between its components
Dark Energy Camera Reveals Ancient Stars and Stellar Birth in Corona Australis
A new image from the Dark Energy Camera on the Blanco 4-meter Telescope captures the Corona Australis Molecular Cloud, highlighting both newborn stars and one of the oldest star clusters in the Milky Way
UFO Claims Face Scrutiny as New Book Examines Evidence and Uncertainty
A new book by Adam Kirsch investigates the enduring fascination with UFOs, comparing eyewitness accounts to scientific standards and exploring why concrete evidence remains elusive despite decades of reports
Fading Radio Galaxies Reveal What Happens When Black Holes Go Quiet
A new study using MeerKAT, LOFAR, and the Jansky Very Large Array has identified a population of galaxies with fading radio lobes, offering insight into the late stages of supermassive black hole activity
China Prepares Chang'e 7 for Complex Lunar South Pole Mission
China's Chang'e 7 spacecraft, launching in August 2026, will deploy an orbiter, lander, rover, and hopper to investigate the Moon's south pole, targeting water ice and testing new navigation and international science payloads
Mars Express Reveals Detailed 3D View of Schiaparelli Crater
ESA's Mars Express orbiter has produced a new high-resolution 3D visualization of Schiaparelli Crater and the Southern Highlands, offering fresh insight into ancient Martian water activity and surface evolution
Satellite Data Guides Eclipse Cruise to Clear Skies in 2026
A Mediterranean eclipse cruise relied on real-time satellite weather data to avoid clouds and secure a clear view of the 2026 total solar eclipse, demonstrating the critical role of geostationary satellites in astronomical observation planning
Deepest Partial Lunar Eclipse in Years Approaches on August 27-28
A deep partial lunar eclipse will occur on August 27-28, 2026, with 96% of the Moon entering Earth's umbra. The event will be visible across the Americas, Europe, Africa, and western Asia, offering a rare opportunity for skywatchers.
Part 2 of 6