As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Mercury has long been cast as the solar system’s burnt-out rock, a relic too small and too close to the Sun to hold many ...

Deep below the crust and mantle, far beyond the reach of any drill, Earth’s core may be hiding a planetary-scale cache of hydrogen. Recent high‑pressure experiments suggest that this hidden store ...

The 'ring of fire' eclipse on Feb. 17, 2026, will be witnessed by more penguins than people.

The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...

First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

(WXIN/WTTV) — Hundreds of Hoosiers have reported seeing a meteor or “fireball” fly over the central Indiana skies late Tuesday night. Here is what we know so far: What happened? The reported airborne ...

NASA's Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer (SPHEREx) was built for ...

The marquee initiative, set to be announced Wednesday, will come through an executive order, as Trump directs Defense ...