A spectacular cosmic event nicknamed “SN Winny” could help solve one of astronomy’s biggest mysteries: how fast the universe is expanding. This rare superluminous supernova, located 10 billion ...

NASA's Chandra X-ray Observatory releases its longest-spanning video of X-ray data yet. - NASA / CXC / SAO / Pan-STARRS Astronomers have turned a famous star explosion into a 25‑year time‑lapse, using ...

NASA's IXPE (Imaging X-ray Polarimetry Explorer) mission has taken a new observation of a supernova, RCW 86, helping fill in a fuller picture of what other telescopes have observed. When astronomers ...

SANDY — I have wondered at photos from the Hubble Space Telescope throughout my life. To learn from the following video that similar photos and discoveries can now be taken in a local backyard — for ...

For nearly six months, during the year 1181, people looked up to the skies to find a new star glittering in the constellation Cassiopeia. Chinese and Japanese astronomers recorded the rare event, an ...

Two Princeton researchers, Alicia Soderberg and Edo Berger, have become the first humans in recorded history to witness the explosion of a supernova in real time. Soderberg, who is a postdoctoral ...

Artistic depiction of the explosive interaction between the black hole and the massive nearby star (blue). As the separation between the star and the black hole decreased, the black hole's intense ...

The search for the universe’s dark matter could end tomorrow — given a nearby supernova and a little luck. The nature of dark matter has eluded astronomers for 90 years, since the realization that 85% ...