Fresh ice grains from Enceladus, captured by NASA’s Cassini in 2008, reveal never-before-seen organic compounds—offering new ...

As missions prepare to visit ocean worlds like Enceladus and Europa, new findings show scientists must first learn to ...

Scientists have been searching for radio signals from hypothetical alien civilizations using radio telescopes for decades.

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Researchers confirmed that sperm accumulate mutations over the years, increasing the risk of transmitting diseases to ...

The discovery that molecules of methane and ethane can worm their way into the crystal lattice of frozen hydrogen cyanide has ...

A study published in the Journal of the American Chemical Society has recreated in the laboratory chemical reactions that may ...

The exoplanet, dubbed GJ 251 c, is at least four times larger than our own planet and is likely to be a rocky world located ...

Researchers recreated Martian conditions in a laboratory using E. coli bacteria and pure water ice. The samples were frozen ...

A NASA study shows bacteria fragments can survive 50 million years in Martian ice. Pure ice, not rock, could hold clues to ...