On February 15, 2013, a small asteroid exploded over the city of Chelyabinsk, Russia. [‘On This Day in Space’ Video Series on Space.com] The shock wave from this explosion damaged thousands of ...

When the Berwyn Mountain UFO was spotted in 1974, it got local villagers talking – but could an alien spacecraft really have ...

A Harvard scientist has suggested that our Solar System may be far more crowded with interstellar objects than anyone ...

NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...

The documents, first absconded from under the nose of the KGB in 1993 by legendary reporter George Knapp, have been the stuff ...

Dozens of people across Wyoming, Colorado and Utah saw a colorful fireball streak through the sky Thursday night. Experts say ...

A MYSTERIOUS rock that fell to Earth from Mars may hold some watery secrets about the Red Planet – and possibly alien life.

A lake born from the sky. That’s how Lonar Crater Lake is often described, and once you see it, the phrase makes sense. Hidden in Maharashtra’s Buldha.

A new study has revealed that the iconic Black Beauty meteorite contains much more hidden water than previously suspected.

A soldier returned from the Sahara desert in 1916 with a wild story about a meteorite that dwarfed all others. Over 100 years of hunting yielded nothing – but now twin brothers think they have solved ...

Spielberg's decades-long UFO fascination began with a 1957 desert meteor shower. Trace how one childhood moment shaped 'Close Encounters', 'E.T.', and beyond.

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf star from view, after it drastically dimmed a sun-like star for around nine ...