NASA's Roman Space Telescope Has Fuel for 22 Years, Doubling Expectations
The $4.3 billion observatory launched on a Falcon Heavy will outlive its planned mission thanks to an almost perfectly executed trajectory.
Sep 16, 20262 views
Venus's dark ultraviolet clouds: New calculations narrow mystery absorber's light-absorption range
New calculations constrain how strongly the material behind Venus's dark ultraviolet patterns must absorb light, narrowing a century-old mystery.
Sep 13, 20262 views
NASA's Chandra Releases Gallery of 16 'Galactic Gems' Spanning the Universe
Working with Hubble and Webb, the X-ray observatory unveils multi-wavelength portraits of colliding galaxies, including the furious merger II Zw 096.
Sep 11, 20263 views
Webb Detects Water and Dust Around a Dying Star Beside the Milky Way's Black Hole
Mid-infrared observations of IRS 3 reveal oxygen-rich silicate dust and a first-of-its-kind water signature in a stellar envelope just steps from Sagittarius A*.
Sep 10, 20263 views
Interstellar Comet 3I/ATLAS Bursts with Methanol, Revealing Alien Origins
ALMA detects exceptionally high methanol levels and icy grains that act like miniature comets, suggesting 3I/ATLAS formed in a unique cosmic environment.
Sep 9, 20262 views
Hubble Captures Vast 'Superbubble' in Neighboring Galaxy
NASA's Hubble Space Telescope images N44's dramatic central void and gas shell in the Large Magellanic Cloud.
Sep 9, 20262 views
Hubble Unveils Superbubble Scene, Catalogs Half a Million Stars in the Large Magellanic Cloud
New Hubble imagery of N44 showcases a mysterious superbubble, while related observations probe star bursts and supernova blasts in nearby dwarf galaxies.
Sep 3, 20264 views
September Skywatching: Venus, Harvest Moon, and Celestial Wonders
From Venus at its brightest to the fall equinox and the Harvest Moon near Saturn, September's night sky offers a rich lineup.
Sep 3, 20262 views
Hubble Spots New Decagon Shaping Saturn's South Pole Atmosphere
NASA's Hubble Space Telescope reveals a 10-sided wave encircling Saturn's south pole, a new atmospheric phenomenon unlike the famous hexagon at its north pole.
Sep 3, 20264 views
A Plane Lunar Eclipse: APOD Captures August 2026 Eclipse with Airplane Crossing
NASA's Astronomy Picture of the Day highlights a lunar eclipse from Portugal, showing an airplane silhouette, while 2026 offers several eclipses for skywatchers.
Sep 1, 20264 views