NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

For over two decades, cosmologists have believed that the universe is expanding at an accelerating pace, driven by a ...

A faint, tiny flash of red light glimpsed at the Cosmic Dawn more than 13 billion years ago has smashed the record for the ...

What can imaging supernovae (plural for supernova) explosions teach astronomers about their behavior and physical ...

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

NASA’s James Webb Telescope discovers the oldest supernova ever seen, offering insights into early universe star formation ...

Some white dwarfs in rapid binary orbits are far hotter and larger than theory predicts. Researchers found that powerful tidal forces between them generate enough heat to inflate their sizes and ...

"Why are we here?" is humanity's most fundamental and persistent question. Tracing the origins of the elements is a direct ...

While walking home on November 11, 1572, astronomer Tycho Brahe idly glanced at the sky. He was surprised to see a bright star in the constellation Cassiopeia that hadn’t been there before. The new ...

Astronomers recognize three flavors of type I supernovae: type Ia, Ib, and Ic. Type Ia supernovae occur in binary systems, where matter from a normal companion star flows onto a white dwarf. The white ...

How much light does a supernova shed on the history of universe? New research by cosmologists at the University of Chicago and Wayne State University confirms the accuracy of Type Ia supernovae in ...