Astronomers detected radio waves from a rare exploding star, revealing what happens in the final years before a massive star ...

A naked-eye supernova is one of the rarest sky events humans can witness — a star suddenly exploding so brightly it becomes ...

In our galaxy, a supernova explodes about once or twice each century. But historical astronomical records show that the last ...

Astronomers tracked a star that slowly faded instead of exploding. The quiet disappearance may reveal a hidden way black holes are born.

Will two rare supernovas finally tell us how fast the universe is expanding? Perhaps, but we'll have to wait for it for them ...

Scientists suggests that a primordial black hole's death could be behind a mystery high-energy neutrino that crashed into Earth.

Ionized clouds give the impression of flames surrounding the star AE Aurigae.

For decades, astronomers have been watching WOH G64, an enormous heavyweight star in the Large Magellanic Cloud, a galaxy ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

What happens to a large star near the end of its lifetime before it explodes as a supernova? This is what a recent study ...

Detailed price information for Nexgen Energy Ltd (NXE-N) from The Globe and Mail including charting and trades.

A 10-second signal from one of the most distant points in the universe has been detected by humanity, and scientists are still trying to understand its origins. Two Earth satellites have confirmed ...