Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond ...

A small group of distant worlds may hold the clues to life beyond Earth. Astronomers searching for life beyond Earth have narrowed down the most promising places to look. Out of more than 6,000 known ...

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers have so far identified over 6,000 exoplanets beyond our solar system, only a ...

The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has ...

What happens if alien contact stops being science fiction and becomes real? From mysterious interstellar objects to the possibility of signals, peaceful arrival, or outright attack, the deeper ...

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

Andy Weir discusses his science-fueled novel “Project Hail Mary,” which has been adapted into a film that opens in theaters ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...

Project Hail Mary author Andy Weir is known for his scientific accuracy, so how does the Ryan Gosling-led film version of his book fare in that respect?

A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before they reach us.