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After 29 years, first-known brown dwarf revealed as twins
Gliese 229 B - the first-known brown dwarf - is really a binary system of two brown dwarfs entwined in an incredibly close orbit. See their orbit here!
October 22, 2024
A large fireball blazed over Lake Erie on October 21
Witnesses described a large fireball over Lake Erie last night. The American Meteor Society had some 350 reports as of this writing. Thousands must have seen it!
October 22, 2024
R Aquarii: A dynamic duo with geyser-like eruptions
Hubble captured images of R Aquarii, a binary star system 700 light-years away. It has violent eruptions that produce spiral filaments of glowing gas.
October 22, 2024
When can YOU see the 1st-ever human-made meteor shower?
When DART spacecraft hit asteroid Dimorphos, it released debris that should arrive at Mars and Earth, creating the 1st human-made meteor shower for the planets.
October 20, 2024
Is there a volcanic exomoon orbiting this giant exoplanet?
Astronomers with NASA and Caltech have found that a volcanic exomoon may be producing a cloud of sodium gas near a giant exoplanet 635 light-years away.
October 20, 2024
Could microbial life on Mars be hiding under ice?
A new NASA study said microbial life on Mars could exist in pools of liquid water beneath dusty ice deposits, with enough sunlight for photosynthesis.
October 20, 2024
First 1% of new cosmic atlas reveals millions of galaxies
The Euclid mission to survey the universe and understand the nature of dark energy and expanding universe has just released the first 1% of its cosmic atlas.
October 19, 2024
Eavesdropping on alien signals between exoplanets
Scientists looked for alien signals sent between exoplanets in the TRAPPIST-1 system. They used radio telescopes to seek the intelligent transmissions.
October 18, 2024
Comet A3 was the brightest comet in 27 years!
Comet A3 Tsuchinshan-ATLAS was the brightest comet in 27 years, since Hale-Bopp. Did you see it? More on the comet plus images here.
October 18, 2024
A steam world exoplanet with an earthlike atmosphere?
Astronomers using the Webb space telescope say that the hot exoplanet GJ 9827 d has more water vapor than 1st thought. They call it a steam world exoplanet.
October 16, 2024
