Interstellar objects visit our solar system all the time. A new study shows they likely come in streams of sibling…
A survey of high velocity clouds in the galactic halo of the Milky Way finds that they make up less…
Type Ia supernovae are crucial to our understanding of cosmology. But we still don't fully understand what causes them.
Observations from the Dark Energy Spectroscopic Instrument suggest that the rate of cosmic expansion may be changing over the time.…
Thanks to Hubble, JWST, and the Planck mission, we're starting to see cracks in the current ideas in cosmology, expressed…
Astronomers are collecting evidence for the gravitational wave background of the Universe, caused by merging supermassive black holes. Now, the…
The planetary science community argues back and forth about when Venus was last habitable. Did it lose its oceans billions…
White dwarfs are dead stars like our Sun. Although they're no longer performing fusion in their cores, they're still hot…
Uranus and Neptune are "ice giants," containing chemicals like methane and ammonia, but compressed under intense pressure. This is just…
When the Vera Rubin Observatory comes online in a few months, it'll be the most effective asteroid and comet hunter…