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Ancient volcanoes on Mars were diverse
Researchers in China and the U.S. said ancient active volcanoes on Mars were more diverse than previously known, despite a lack of plate tectonics.
February 26, 2024
Did passing stars change Earth’s orbit?
We long suspected that passing stars are what send distant comets sunward. But could passing stars also change Earth's orbit? A recent study says yes.
February 26, 2024
How astronauts to Mars can manage stress on the long journey
Astronauts headed to Mars will live and work in confinement for more than two years. Here are ways to manage these stressful conditions.
February 26, 2024
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
