For the first time, astronomers have captured the brilliance of a superluminous supernova via gravitational lensing.

The FDA is reportedly considering the addition of high-level warning labels to COVID vaccines, a move that some experts say ...

Two new stars, or nova eruptions, have been resolved in unprecedented detail by six optical telescopes operating in unison as ...

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

The U.S. is considering allowing bemotrizinol, a highly effective UV filter used throughout Europe and Asia, in its sunscreen ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

Some stars explode into a nova quickly; others can take more than a month. Scientists are only beginning to understand why.

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

Scientists finally caught solar neutrinos triggering a rare atomic transformation once thought nearly impossible to observe.

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 ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...