Astronomers have made a historic discovery by directly detecting cosmic rays deep inside a dense, starless molecular cloud.

Deep inside a dust-choked galaxy, astronomers have uncovered a chemical environment far more complex than expected.

Detected in 2021, the Amaterasu particle ranks among the most energetic cosmic rays ever observed, carrying an estimated 244 exa-electronvolts. Its apparent arrival from a nearly empty region of space ...

Add Yahoo as a preferred source to see more of our stories on Google. Cosmic radiation could be a boon for subsurface life on worlds such as Europa (left), Mars (center) and Enceladus (right), ...

Mars’ frozen ice caps may be time capsules for ancient life. Lab experiments show that key building blocks of proteins can survive tens of millions of years in pure ice, even under relentless cosmic ...

pt. I. Discovery -- The nature of the radiation -- Particles produced by the cosmic rays -- The primary cosmic radiation -- Radio waves from the galaxy -- Extensive air showers -- The origin of cosmic ...

Add Yahoo as a preferred source to see more of our stories on Google. From left to right, this graphic illustrates how NASA’s Carruthers Geocorona Observatory, IMAP (Interstellar Mapping and ...

Some of the universe's most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ...

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Life on Mars sounds like something from a "Doctor Who" episode. But a study published in the International Journal of Astrobiology challenges the science fiction notion of that idea. The research ...