Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

A newly analyzed planetary system spotted by NASA’s TESS mission is challenging long-standing assumptions about how planets ...

A giant planet circling a nearby star has given astronomers a rare look at what a colder, more Jupiter-like world can be like ...

A mysterious interstellar comet older than the Sun is exposing alien chemistry and rewriting astronomy as we know it.

Investigators said a missing piece of basic runway tech left systems blind as a landing jet and an emergency vehicle ...

New research reveals that the mysterious interstellar visitor 3I/ATLAS comes from a very cold alien environment, new research ...

La Sal del Rey near Edinburg is a natural salt lake in the Rio Grande Valley that makes floating so easy, you’ll question ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

A star's mass determines its entire life story, from how it shines to how it dies. For young stars shrouded in dust, getting ...

NASA's SPHEREx space telescope reveals widespread water ice in Cygnus X, showing how dust shields molecules in star-forming ...

Ultra-faint dwarf galaxies—tiny satellite galaxies orbiting the Milky Way—have long been seen as cosmic fossils. Now, a new ...

A long-standing mystery in southern Africa’s fossil record is beginning to unravel. After massive lava flows 182 million ...