Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner solar system, they consider it likely that 6–40% of this material must have ...

Japan's space agency, JAXA, has been knocking it out of the park with small-body exploration missions for decades. They had ...

The science fiction blockbuster wowed audiences with its depiction of space travel and more. Here's what NASA staff and other scientists say about the basis for the amazing events of the film.

A new solar breakthrough may overcome a long-standing efficiency barrier. Researchers used a “spin-flip” metal complex to capture and multiply energy from sunlight through singlet fission. The result ...

On Tuesday, NASA invited the press to look at the fully assembled Nancy Grace Roman Space Telescope, which is now ready to ...

The world’s first major private geoengineering start-up must have known it’d have skeptics. The basic premise—dimming the sun to artificially cool the planet—has been called reckless by scientists and ...

In the rugged goldfields of southeastern Australia, a local prospector spent years trying to crack open a mysterious, rust-colored rock. He was convinced it held gold. The object was unusually heavy, ...

"This year's laureates show what great science can do — deepen our understanding of the world and lead to discoveries that ...