The history of astronomical discovery shows that many of the most detectable phenomena, especially detection firsts, are not ...

A strange purple object aboard the ISS sparked alien fears online, but NASA revealed it was a potato experiment. It shows how ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in ...

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

A strange, tentacled object that went viral online was revealed to be a space-grown purple potato. Astronaut Don Pettit ...

As an astrophysicist, my world revolves around the wonders of space and the mysteries of the universe. This means I can be a ...

Alien invasion stories are among the earliest science fiction in the Western canon—they not only explore the strange and unknown but also heighten the stakes by bringing danger inside human ...

The much-anticipated sci-fi film Project Hail Mary is out in theaters today. In it, light-eating alien microbes sap the sun’s ...