Kimm Fesenmaier

When certain massive stars use up all of their fuel and collapse onto their cores, explosions 10 to 100 times brighter than the average supernova occur.

Astronomers have discovered a giant swirling disk of gas 10 billion light-years away—a galaxy-in-the-making that is actively being fed cool primordial gas tracing back to the Big Bang.

Despite discovering hundreds of exoplanets known as “super-Earths,” astronomers still don’t know what they’re made of.

An object scientists thought was a black hole is actually the brightest and weirdest pulsar ever detected.

New research on brain activity backs up investment magnate Warren Buffett’s famous advice: “Be fearful when others are greedy and be greedy only when others are fearful.”

Using gravity measurements collected by NASA’s Cassini spacecraft, scientists have confirmed that Saturn’s icy moon is home to a large subsurface ocean near its south pole.