The mission is still in the early stages of its conception, with contracts given recently to firms.

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

On a clear summer day in 1947, businessman and civilian pilot Kenneth Arnold saw something strange in the sky.

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Wings of Bluestar brings story choices, couch co-op, and classic side-scrolling shoot ’em up action together in a quick but ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

It never became the next Unix, but after using it, I started seeing its fingerprints in places I already use.

Astronomers have uncovered new details about the black hole that ripped apart a star in a tidal disruption event named ...

Scientists can't fully agree on what GJ504b actually is. It may be a massive planet or a brown dwarf, a mysterious class of ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...