A chemical sunscreen works by sucking in the UV light. It changes that light into heat that puffs off into the air, usually ...

Expansion of the universe had already been anticipated by theorists. In the early 1920s, Alexander Friedmann and Georges ...

New observations from the Webb telescope challenge the Big Bang theory, providing evidence to support the "Tired Light" ...

Gravitational lenses bend and focus light from the more distant cosmos, offering astronomers a cheat code for chronicling the ...

New infrared image highlights star formation triggered by merger-in-progress. Arp 107, a pair of interacting galaxies, shines ...

Excerpted from The Universe in 100 Colors: Weird and Wondrous Colors from Science and Nature by Tyler Thrasher and Terry ...

"The Milky Way would be a little dot in these two giant eruptions." ...

A new finding about a galaxy-killer black hole has excited astronomers and astrophysicists. An international team co-led by ...

Researchers at MIT suggest that the microscopic "primordial black holes" could be blasting through our solar system at least ...

The discovery of something this immense surprisingly early in the lifetime of the universe overturns what we thought we knew ...