New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

Brian Cox explains the most extreme, dangerous region in the cosmos, where gravity, radiation, and physics push the limits of ...

By harnessing the Speed Force, DC Comics ’ Flash is the fastest being in comic book history, capable of moving at speeds that ...

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

These villains are so old and powerful that they see humans as mere insects whose lives begin and end within the blink of an ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

For centuries, Europeans thought that eternal daylight saturated the cosmos. The shift to a dark universe has had a profound ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

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

An immensely powerful flash detected earlier this year was created by a massive star exploding when the universe was just five percent of its current age, astronomers said Tuesday.

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...