A new study suggests Earth may have been sending tiny hitchhikers to Venus for billions of years. Researchers found that asteroid impacts could launch microbes into space, where some might survive the ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

Venus sits just one step closer to the Sun than Earth, making it our nearest planetary neighbor. At certain points in its ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be ...

For most of North America, the moon will slide over Venus in the mid-afternoon. The chances of witnessing this rare event are ...

I was, therefore, intrigued by a recent report about grave goods containing a mysterious yellow glass found in 1922 in the tomb of King Tutankhamun, the boy pharaoh (king) of ancient Egypt. King ...

It's one thing to watch "Close Encounters of the Third Kind" in a theater. Watching it with Steven Spielberg? That's a master class. Viewing a scene with Richard Dreyfuss, the conditions of filming ...

June's night sky delivers several must-see events, starting with a close encounter between Venus and Jupiter after sunset. Mercury joins the pair to form a rare three-planet lineup, while the Moon ...

When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO conspiracy theorists wondered whether they might finally get answers they’d long awaited. But coming on the ...