PFAS are among the most insidious pollutants, thanks to their ubiquity, their long life and their growing list of linked health concerns. But now researchers at the University of California, Riverside ...

Ultraviolet light blasting the atmosphere of giant exoplanet WASP-39b is producing a toxic gas called sulfur dioxide. Photochemistry is a key process in Earth’s atmosphere too, and on most of the ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

Searching for clues in the Epoch of Reionization, scientists discovered that the universe was quite a bit warmer before the ...

New maps reveal a vast store of hidden star-making material called "CO-dark molecular gas," found in the Cygnus X region.

Astronomers have discovered a massive hydrogen cloud, known as Eos, shining brightly in ultraviolet light near our solar system. This newly detected cloud offers fresh insights into how stars and ...

Scientists used a 0.02-second, 3 000 C degrees light flash to create efficient hydrogen catalysts, cutting energy use a ...