Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Alien civilizations may have left traces. We just may not have been looking in the right place.

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the star's gravity holding it back. These motes of dust are then free to roam the ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

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

A provocative study suggests that Jupiter’s frozen moon Europa may not only be hospitable, but that life from Earth could be ...

Recent research has unveiled that giant ocean whirlpools, also termed mesoscale eddies, play a crucial role in transporting ...

Today, Earth's moon is uninhabitable and does not contain a trace of life. It does not have much of an atmosphere, a drop of liquid water, or a magnetic field to protect its surface from solar wind ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

Researchers say a biocontainment facility on the Moon could be humanity's last line of defense against potential future alien ...