When faraway stars explode, they send out flashes of energy called gamma-ray bursts that are bright enough that telescopes back on Earth can detect them. Studying these pulses, which can also come ...

What is the universe made of? This question has driven astronomers for hundreds of years. For the past quarter of a century, scientists have believed “normal” stuff like atoms and molecules that make ...

An international team of scientists has uncovered new clues about how stars lived and died billions of years ago by studying ...

A first-of-its-kind, animated map has revealed fresh secrets about a mysterious, flowering "zombie star" lurking in the remnant of a supernova that lit up Earth's skies more than 800 years ago. The ...

The new discoveries, based on data from the James Webb Space Telescope, provide a glimpse of the early universe. When a star runs out of fuel, it explodes, as seen in this illustration. Astronomers ...

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Whether witnessed in the birth and growth of individual galaxies or in the formation of galaxy clusters and other mind-numbingly enormous cosmic structures—so much of what we see in the cosmos is ...

What if we tell you that researchers have found something interstellar buried in the ice in Antarctica? One possibility is the plot of The Thing; the other is a mystery that has puzzled scientists for ...