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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
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
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
Meet Pollux: The brighter twin star of Gemini
Pollux, the brightest star in the constellation Gemini, blazes in a golden light next to its bluish-white heavenly twin, Castor.
February 20, 2024
Castor is 6 stars in one
The bright blue-white star Castor, in the constellation Gemini, appears to our eyes as a single star. But it’s really a family of 6 stars.
February 20, 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
John Glenn 1st American in orbit 62 years ago today
John Glenn became the first American to orbit Earth on February 20, 1962, 62 years ago today. His space capsule was called Friendship 7.
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
