Observatories and Telescopes
88 reportsTo assess how observing time is assigned, reports compare science data archives, wavelength coverage, and interferometry. They also ask how telescopes collect light, comparing competing models without treating agreement as proof of mechanism.
Webb Telescope Detects Water and Dust Near Milky Way's Black Hole
Astronomers using the James Webb Space Telescope have identified water and silicate dust around a dying star less than 0.6 light-years from Sagittarius A*, challenging assumptions about molecule survival near supermassive black holes
How to Observe a Shadow Cast by Venus in the Night Sky
Venus is nearing its peak brightness, offering a rare chance to observe whether the planet can cast a visible shadow. Astronomers explain the conditions and techniques needed to detect this subtle phenomenon.
SpaceX Rocket Impact on Moon Raises Safety Questions for Lunar Missions
A SpaceX Falcon 9 upper stage collided with the lunar surface near Einstein Crater, prompting new scrutiny of debris risks as lunar exploration and infrastructure expand
Celestron Moon Mission Travel Scope 70 Offers Accessible Stargazing
A review of the Celestron Moon Mission Travel Scope 70 examines its optical performance, ease of use, and limitations for beginners and young astronomers, highlighting what this portable refractor can and cannot reveal in the night sky
Black Hole Winds Drive Turbulence Far Beyond Host Galaxy
Observations with Japan's XRISM X-ray satellite reveal that outflows from a supermassive black hole in a distant quasar are far more powerful than previously estimated, stirring hot gas across intergalactic space
Webb Telescope Resolves Closest Black Hole Pair in Early Universe
Astronomers using the James Webb Space Telescope and ALMA have identified two supermassive black holes just 4,900 light-years apart in a galaxy merger 1.3 billion years after the Big Bang, offering new insight into rapid black hole growth
Astranis Unveils Perceptor Satellites to Track Activity in Geostationary Orbit
Astranis has announced the development of Perceptor satellites designed to monitor and analyze spacecraft movements in geostationary orbit, a region increasingly important for communications and national security
Two Major Solar Eclipses Will Cross Three Continents in 2027
Astronomers are preparing for two rare solar eclipses in 2027, including a 'ring of fire' annular eclipse in February and an unusually long total solar eclipse in August, both visible across parts of South America, Africa, and Europe
Partial Solar Eclipse and Perseid Meteors Offer Rare Double Event
On August 12, observers across North America and Europe will witness a partial solar eclipse by day and the Perseid meteor shower by night, with optimal viewing conditions expected due to the new moon and clear skies in many regions
Comet 220P/McNaught Imaged in Unusual Bright Outburst Over Namibia
Astrophotographers in Namibia have captured a rare, vivid image of comet 220P/McNaught during a dramatic brightening event, using a 12-inch telescope and advanced camera equipment
eROSITA X-ray Survey Nearly Doubles Known High-Energy Cosmic Sources
The eROSITA X-ray telescope's latest data release catalogs nearly 2 million X-ray sources, offering an unprecedented view of black holes, galaxy clusters, and stellar remnants across the universe
NASA's Roman Space Telescope Targets Dark Energy and Exoplanets
NASA's Nancy Grace Roman Space Telescope, set for launch in 2026, will use infrared instruments to investigate dark energy, dark matter, and exoplanets from a stable orbit 1.5 million kilometers from Earth
Astronomers Map 4 Billion Cosmic Objects in Largest 2D Sky Survey
A new 2D map of the universe, built from 13 years of ground and space-based observations, catalogs 4 billion stars, galaxies, and other objects, offering an unprecedented resource for future astronomical research
Can Perseid Meteors Be Seen During the 2026 Total Solar Eclipse
Astronomers assess whether Perseid meteors will be visible during the total solar eclipse on August 12-13, 2026, as the Moon's shadow crosses Greenland, Iceland, and Spain, and explain the observational limits imposed by eclipse conditions
Inouye Solar Telescope Resolves Unprecedented Detail on Sun's Surface
The Inouye Solar Telescope has produced the highest-resolution images yet of the Sun's surface, revealing dynamic plasma structures and confirming a long-suspected fluid instability in solar plasma
Hubble Data Links Andromeda's Star Formation Slowdown to Nearby Galaxy
Astronomers using the Hubble Space Telescope have mapped a sharp decline in star formation across the Andromeda galaxy, with evidence pointing to gravitational influence from its smaller neighbor, M32
NASA Expands Student Access to Space Missions and STEM Careers
NASA is opening new opportunities for students to participate in authentic mission experiences, technical career exploration, and citizen science, as the agency prepares for major launches and ongoing lunar and space station operations
Partial Solar Eclipse and Perseid Meteor Shower Align on August 12
On August 12, skywatchers in North America and Europe will witness a partial solar eclipse by day and the peak of the Perseid meteor shower by night, offering a rare opportunity for coordinated solar and meteor observations under optimal conditions
Pluto's Atmosphere Shows Signs of Collapse as It Moves Away from the Sun
Astronomers tracking Pluto's atmosphere with stellar occultation techniques report a measurable drop in atmospheric pressure, suggesting the dwarf planet's nitrogen-rich envelope is beginning to freeze out as Pluto recedes from the Sun
Could Northern Lights Appear During the 2026 Total Solar Eclipse
Astronomers assess whether auroras could be visible during the total solar eclipse on August 12, 2026, as the path of totality crosses Greenland, Iceland, and northern Spain, and explain the physical limits on simultaneous observation
Crescent Moon and Mars Align Over Taurus Before Dawn on August 9
Observers in the Northern Hemisphere will see the crescent Moon pass close to Mars in the constellation Taurus before sunrise on August 9, offering a preview of the winter starscape and a rare opportunity for binocular viewing.
Sky-Watcher SolarQuest Mount Tracks the Sun for Solar Observing
The Sky-Watcher SolarQuest mount uses GPS and a solar sensor to automatically locate and track the Sun, offering a streamlined solution for small solar telescopes and eclipse viewing with minimal manual adjustment
Webb Telescope Reveals Young Star Cluster in Carina Nebula
A new image from the James Webb Space Telescope's NIRCam instrument captures a dense cluster of young stars in the Carina Nebula, offering fresh insight into stellar formation and the evolution of massive star groups
NASA's IXPE Observes Magnetar and Tests Quantum Vacuum Theory
NASA's IXPE telescope spent over 140 hours observing magnetar 1E 1547-5408, collecting X-ray polarization data that may reveal how empty space behaves in extreme magnetic fields
NASA Extends Voyager 2 Science With Power-Saving Maneuver
NASA engineers have implemented a new power management strategy on Voyager 2, allowing the spacecraft to continue collecting scientific data for at least another year as its nuclear power source declines
NASA Astronauts Complete Spacewalk to Prepare ISS for Solar Array Upgrade
NASA astronauts Jessica Meir and Anil Menon spent 6.5 hours outside the International Space Station installing the final mounting hardware for new roll-out solar arrays, a step toward boosting the station's power supply later this year
Solar Telescope Reveals Long-Predicted Plasma Vortices on Sun's Surface
High-resolution images from the Daniel K. Inouye Solar Telescope have captured thousands of plasma whirlpools on the Sun's surface, providing direct evidence for a phenomenon predicted over a century ago and offering new insight into solar atmospheric heating
NASA's IXPE Detects Signs of Quantum Vacuum Effect Near Magnetar
NASA's IXPE telescope has measured X-ray polarization from a magnetar, providing evidence consistent with a quantum electrodynamics effect predicted for nearly a century but never directly observed in space
Faint X-ray Flash Reveals Unusual Supernova in Nearby Galaxy
A brief X-ray signal detected by China's Einstein Probe in March 2026 has allowed astronomers to observe the earliest moments of a rare Type Ic supernova, offering new insight into how massive stars end their lives
NASA's PUNCH Mission Narrows Solar Storm Arrival Forecasts
NASA's PUNCH mission has enabled scientists to predict the arrival of a solar eruption near Earth with a margin of just 30 minutes, using continuous 3D imaging of coronal mass ejections as they travel through the inner solar system
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