How did the universe begin? A compact NASA space telescope that uses less power than a refrigerator is poised to chip away at ...

For a brief moment, it looked like asteroid 2024 YR4 had a real shot at hitting Earth in 2032. With its impact probability climbing to a record-breaking 3%, astronomers scrambled to refine its ...

The planet WASP-121b is extreme. It's a gas giant almost twice as big as Jupiter orbiting extremely close to its star–50 ...

A team of astronomers has uncovered the fastest planetary jetstream ever recorded, ripping across the equator of the giant ...

Scientists mapped exoplanet WASP-121b’s atmosphere, revealing extreme winds and hidden metals. Iron and titanium appear ...

The megaphone-shaped spacecraft, called SPHEREx — short for Spectro-Photometer for the History of the Universe, Epoch of ...

The cosmos is riddled with evidence that the universe began with an exotic, unfathomably rapid expansion, but scientists ...

For centuries, telescopes have relied oncurved glass lenses to bend light and bring the cosmos into focus. While effective, ...

Researchers at the University of Utah developed a new flat lens for telescopes that is lighter but maintains image quality.

The "Cosmic Horseshoe" is an Einstein ring, a system made up of a foreground galaxy whose mass is so great, it warps the ...