Finding life on Mars might be closer than we thought. NASA’s Curiosity rover has yielded promising data from the Red Planet, ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

A new study suggests that aerobic respiration began hundreds of millions of years before oxygen became abundant in Earth’s ...

NASA's Curiosity rover has found DNA-like molecules and space-rock chemicals on Mars, proving the Red Planet could have ...

Aliens aren’t “out there” – they’re here on Earth. You may have seen one. You may even be one. And if you read the foregoing ...

NASA’s Curiosity Mars rover has spent more than 13 years exploring the 3.5-billion-year-old Gale crater, slowly climbing a ...

The possibility of life on other planets is one of the biggest mysteries in science. But what would happen if we actually ...

If forced to choose one descriptor for the octopus, the best word may be “otherworldly.” These truly amazing marine animals ...

A single alien world can be misleading. A strange gas in an atmosphere might look promising, then turn out to come from ...

Scientists say caves on Mars and icy moons may host microbial life and serve as future habitats for astronauts to be sent to ...

Donald Trump announced his administration would begin identifying and releasing UFO-related information earlier this year.

I thought about the interstellar visitor as my daughter, wife, and I took turns dragging his wandering monster truck balloon ...