Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Asteroids would’ve supplied the raw materials, heat, and geologic plumbing to circulate prebiotic matter while also creating freshwater lakes ...

Do aliens exist? Few debates have proved as enduring – or as divisive – as the question of whether there is life beyond Earth ...

Scientists simulated an asteroid impact, and Deinococcus radiodurans’ cell membranes made it through. This suggests that life ...

"Extremophile" bacteria could survive asteroid impacts that are strong enough to launch them into space, suggesting that life could travel between planetary bodies.

Humans could have come from Mars, scientists have said. A study by Johns Hopkins University has found that alien microbes are able to travel between planets on asteroids, meaning humans could be ...

Discover Coral Castle in Florida, a mysterious stone monument built by one man that still puzzles visitors with massive blocks, moving gates, and hidden secrets.

Here’s something that’ll blow your mind: this spectacular underground world was discovered completely by accident in 1963 ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

Scientists have uncovered new clues about some of Earth’s earliest fish, shedding light on the ancient origins of vertebrates ...