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Could violent stellar flares make planets more habitable?
Could violent stellar flares actually make planets more habitable? A new study into ultraviolet habitable zones says yes.
May 5, 2026
1st American in space, 65 years ago today
Alan Shepard became the 1st American in space on May 5, 1961. His suborbital flight took place just 3 weeks after the Soviet Union's Yuri Gagarin orbited Earth.
May 5, 2026
Surprise! A Jupiter-like exoplanet with water-ice clouds
A Jupiter-like exoplanet with water-ice clouds? NASA's Webb space telescope has found the 1st signs of cirrus-like clouds on exoplanet Epsilon Indi Ab.
May 1, 2026
Euclid Space Warps: Help spot galaxies bending spacetime!
New citizen science project Space Warps lets you study new Euclid space telescope data to find galaxies bending the fabric of the universe.
April 29, 2026
Ancient lake on Mars? Rover finds strong new evidence
NASA's Curiosity rover has found yet more evidence for an ancient lake on Mars. Metallic minerals in preserved rock ripples provide the clues.
April 28, 2026
Jan Oort birthday and discovery of the Oort Cloud
Dutch astronomer Jan Oort was born on April 28, 1900. He visualized a vast reservoir of icy comets on the fringes of our Solar System, which now bears his name.
April 28, 2026
Interstellar comet 3I/ATLAS born in a cold environment
The chemistry of water in interstellar comet 3I/ATLAS indicates that its home star formed in colder conditions compared to that of our sun.
April 26, 2026
New organics on Mars raise questions about life
NASA's Curiosity rover has identified the most diverse collection of organics on Mars ever found. They include some organics never seen before.
April 26, 2026
See great pics of Comet R3 PanSTARRS from our community
Comet R3 PanSTARRS is closest to Earth on April 26. See a cool image from a sun-watching spacecraft, and these fantastic community photos.
April 25, 2026
What are coronal mass ejections? Big burps of sun-stuff!
Coronal mass ejections (CMEs) are powerful eruptions on the sun that can disrupt electrical systems and produce brilliant auroral displays on Earth.
April 24, 2026
