For decades, many scientists have relied on the "hard steps" model to suggest that intelligent life is rare — the improbable ...

Before humans ever appeared and not long after the dinosaurs went extinct, a new giant rose to the top of the food chain. It ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

Certain places on Earth seem far too extreme to support life, but that assumption is far from true. Rather, life apparently ...

An international team of researchers with a variety of backgrounds has worked together to calculate a global estimate of the ...

World Earth Day is observed annually on April 22 by people worldwide. This day serves as a reminder that we must protect the environment. Air to breathe, water to drink, food to eat, and a place ...

With the most advanced craft available at the moment, the time needed to ... designs to conquer Earth. Instead, think this: a cold, isolated, distant planet with microbial life forms and nothing ...

Left unsaid was what would be needed to fight and win a world war, assuming winning were possible. These basic principles made great sense. And while many lesser wars and conflicts were fought and ...

LONDON, April 21 — Years of filming, often in extreme conditions, has provided new insights into the extraordinary challenges endured by penguins for a documentary series to be premiered today, the ...

The trio returned after spending 220 days in space and orbiting the Earth 3,520 times, NASA said in a statement. The agency noted that, coincidentally, Pettit celebrated his 70th birthday on Sunday.

The Streator Fire Department announced life ... support of Mayor Tara Bedei and City Manager David Plyman was vital to the addition of the new service,” the fire department said in a news release. “It ...

It is a significant milestone in the quest seeking life outside Earth. Beyond the recent discovery ... and energy sources, needed to support life.