But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

The speed of light is the fastest anything can travel. What happens to a photon from a galaxy 25 million light years away on its journey toward Earth?

Becoming a memory keeper requires about two years of training. Applicants study the realities of the U.S. nuclear attack and ...

Pulsars are rapidly rotating neutron stars that emit regular radio wave pulses and beams of magnetic radiation, which can ...

Earth—our tiny blue dot in the galaxy—is approximately 26,000 light years away from a fascinating and active region of the Milky Way called the Central Molecular Zone (CMZ). This region holds clues ...