Astronomers have found clumps of dark matter 30,000 light-years wide in the space between galaxies in the distant universe.
Three distant galaxies imaged by the James Webb Space Telescope might actually be "dark stars" powered by dark matter annihilation, claims a team of astronomers.
NASA's Perseverance has sniffed 10 rock samples and found signatures of organic molecules, a sign of a complex geochemical past.
Astronomers analyzed the gravitationally lensed image of a distant galaxy to test the nature of dark matter.
JWST's detection of early galaxies that are far more massive than astronomers had expected could mean we need to rewrite our understanding of the cosmos.
It wasn't aliens after all — an astrochemist and an astronomer have teamed up to explain why the interstellar object 1I/'Oumuamua behaved the way it did.
Radioactive heating in this asteroid's early days may have destabilized the small world, creating asymmetric surface features.
Hubble observations have revealed a stellar-mass compact object — a black hole or possibly a neutron star — wandering our galaxy.