Astronomy
121 reportsPhotometry and astronomical surveys reveal where results converge and where they diverge. The comparison asks what spectra reveal and how observations are calibrated, showing how sparse measurements or incomplete records limit certainty.
Asteroid Samples Reveal DNA and Protein Building Blocks in Space
Laboratory analysis of asteroid material returned to Earth has identified all five nucleobases of DNA and RNA, as well as multiple amino acids, suggesting the chemical ingredients for life are common in the solar system and beyond
NASA AI Model Predicts Sunspot Emergence Hours Before Surface Appearance
A NASA-led team has developed an AI model that analyzes acoustic and magnetic data from the Sun to forecast the emergence of active regions up to 12 hours in advance, offering new potential for space weather prediction
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.
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
Perseids Meteor Shower Peaks in August Night Skies
The Perseids meteor shower, one of the brightest annual displays, reached its peak on August 12-13, with meteors visible against the backdrop of Orion. Observations were made from dark-sky sites using unaided eyes and standard cameras.
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
How Solar Eclipses Shaped Ancient Views of the Cosmos
William Sheehan's new book examines the earliest recorded solar eclipses, including Archilochus's eyewitness account, and explores how these rare events influenced ancient astronomy and religious thought
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
Ancient Mars Meteorite Reveals Unexplored Era in Red Planet's History
A 1.27-billion-year-old Martian meteorite found in Algeria is providing rare insight into a previously undocumented period of Mars' geological evolution, according to new laboratory analysis
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
1972 Daylight Fireball Skimmed Earth's Atmosphere Over North America
On August 10, 1972, a large meteoroid entered Earth's atmosphere over Utah and exited over Alberta, Canada, producing a rare daylight fireball visible across North America and offering a unique opportunity to study atmospheric entry dynamics
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
Long March 7A Rocket Explodes 85 Seconds After Launch in China
A Long March 7A rocket carrying the Zhongxing-4B satellite exploded less than two minutes after liftoff from Wenchang, raising questions about the reliability of China's medium-lift launch vehicles and the impact on future missions
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
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
Luna 24's 1976 Moon Sample Return Marked End of Soviet Lunar Missions
On August 9, 1976, the Soviet Luna 24 probe launched from Baikonur, aiming to collect and return lunar soil. The mission's samples revealed traces of water and closed a chapter in robotic Moon exploration.
What to Expect During the Five Stages of the 2026 Total Solar Eclipse
On August 12, 2026, a total solar eclipse will cross parts of Europe and the Arctic, offering a rare opportunity to observe the Sun's atmosphere and dynamic eclipse phenomena as the Moon's shadow sweeps across Earth's surface
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
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