An extraordinarily rare, gravitationally lensed supernova may offer a powerful new way to measure the universe’s expansion rate.

For over 30 years, astronomers have relied on Type Ia supernovae to measure the universe’s expansion. These stellar ...

Baby pictures of a newborn supernova have captured this stellar explosion after the first half-dozen hours of its life, shedding light on how these giant explosions happen, a new study finds. This ...

A Northwestern University-led team of astronomers used NASA’s James Webb Space Telescope to discover a former star that ...

Astronomers have spotted something truly baffling: a new light 500 million light years away that looked exactly like a supernova…but acted like no supernova observed before. The new discovery and its ...

The powerful space telescope uncovered 80 early and distant star explosions in a patch of sky the size of a grain of rice. When you purchase through links on our site, we may earn an affiliate ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on rocket launches, skywatching events and more! You are ...