The boundary of a solar system is not defined by planets, but by gravity. Beyond Pluto and the Kuiper Belt lies the Oort ...

The sun’s outer atmosphere resembles a pufferfish.

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

Good morning, everyone, and thank you for joining us today. Earlier this year, we outlined a plan to reset the business, ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Nearly a decade after consumer VR took its first real steps—driven by headsets like the Oculus Rift, HTC Vive, and PlayStation VR—the medium has outgrown its novelty phase. Those early platforms ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact configuration and later underwent a violent reshuffling that scattered them to ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

The mystifying invader 3I/ATLAS, a comet that had been capturing the attention of expert and amateur astronomers alike, passed Earth early Friday morning, making its closest approach to our planet as ...

Hawaiian Airlines just kicked off 2026 with a bold promise to transform the way you fly to, from, and around the Hawaiian ...

There are about 15,000 satellites orbiting the Earth. Most of them, like the International Space Station and the Hubble ...

Swiss solar pioneer Raphaël Domjan and the PlanetSolar II team navigated more than 300 miles across the world’s highest navigable lake, using nothing but sunlight to power their journey. Along the way ...