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Cumulus clouds disappear quickly during a solar eclipse
New research out of the Netherlands says that cumulus clouds disappear quickly during a solar eclipse as air temperatures drop. Good news for eclipse chasers!
February 25, 2024
Star clouds in the Milky Way are doing the wave
Star clouds peppered with stellar nurseries form a huge, wave-like structure in the Local Arm of our galaxy. And now astronomers discovered its doing the wave.
February 25, 2024
Venus and Mars closest on February 21 and 22, 2024
Venus and Mars were closest on February 21 and 22. Did you miss them? Don't worry, we compiled a gallery of EarthSky community photos, showing this cosmic duo.
February 24, 2024
SpaceX wraps up Starlink launches for February 2024
SpaceX’s 4th and final Starlink launch for the month took flight from Florida at 22:06 UTC on February 25, 2024. Learn more here.
February 22, 2024
Dead satellite enters atmosphere over Pacific Ocean
A dead satellite - ESA’s ERS-2 satellite - reentered Earth's atmosphere yesterday. ESA said: The entry was uncontrolled or "natural".
February 22, 2024
Icy Eris and Makemake have warm hearts
NASA's Webb space telescope shows that icy dwarf planets Eris and Makemake have been warm and geologically active on the inside recently, and may still be.
February 21, 2024
Record quasar is most luminous object in the universe
Record quasar J0529-4351 is the current record holder for most luminous object in the universe, fastest-growing black hole and largest accretion disk.
February 20, 2024
Euclid space telescope begins dark universe survey
On February 14, 2024, Euclid began its mission of surveying the dark universe. The space telescope will observe about 1/3 of the sky.
February 19, 2024
Are we poised to understand fast radio bursts?
Will we soon understand fast radio bursts? Two NASA X-ray telescopes recently observed one shortly before and after it occurred. Magnetars could be the bursts' source.
February 19, 2024
Are Chariklo’s rings shaped by a tiny unseen moon?
A new study suggests a tiny as-yet unseen moon shapes Centaur Chariklo's rings. The process is similar to the shepherd moons in Saturn's rings.
February 18, 2024
