The strangely shaped object - snapped by NASA's Opportunity rover - has resurfaced and reignited wild theories about little green men on the Red Planet ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

Pets have captured the spotlight for centuries, proving that fame isn't reserved for people alone. Some became household ...

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

Look to the west to catch Venus and Jupiter shining bright, with Saturn and Mars visible in the east for early risers, and ...

In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...

That band of light is our home we know as the Milky Way galaxy. But it is impossible to see the galaxy as a whole with our ...

Francesca tells Eileen, “So, across Italy, readers are asking themselves if they’re reading truth or fiction.” Eileen replies ...

NASA is racing to save its Swift telescope from falling back to Earth with a daring rescue mission. The salvage effort gets ...

In 1947, pilot Kenneth Arnold's report of strange objects over Mount Rainier and a fateful media misquote created the 'flying ...

The NASA Swift space observatory is in danger of falling from space after 22 years, but a rescue mission with the help of a ...