
Giant Planet and Brown Dwarf Revealed by Subaru and Gaia
Astronomers using a smart mix of space-based star tracking and Subaru Telescope imaging have uncovered two rare companio...

Astronomers using a smart mix of space-based star tracking and Subaru Telescope imaging have uncovered two rare companio...

NASA’s James Webb Space Telescope has returned its first detailed look at TRAPPIST-1e, one of seven Earth-sized worlds o...

This year’s Antarctic ozone hole was unexpectedly small and short-lived, according to NOAA and NASA analyses. Scientists...

Forty years after Voyager 2's historic flyby, researchers at the Southwest Research Institute (SwRI) propose a compellin...

Small, pale patches dotting Jezero Crater have given scientists fresh evidence that parts of Mars may once have been war...

A team of astronomers has identified a colossal, twisting strand of galaxies that appears to be rotating like a slow-mot...

The last full Moon of 2025 will arrive with extra drama. On the evening of Thursday, December 4, a Cold Supermoon will c...

When NASA's Curiosity rover accidentally crushed a seemingly ordinary rock on the floor of Gediz Vallis, it exposed a br...

New high-pressure experiments suggest Earth’s inner core isn’t a typical solid but a hybrid, superionic material: iron r...

As launches, constellations and plans for the Moon and Mars multiply, the growing cloud of discarded satellites and rock...

Astronomers have long worried that wild stellar behavior — flares, spots and magnetic storms — can strip atmospheres and...

New high-resolution views from ESA’s Mars Express orbiter reveal striking glacial traces in the Coloe Fossae region, evi...

Giant exoplanets that hug their stars are stirring up winds far stronger than anything in our solar system. Observations...

High over the Arctic, a balloon-borne observatory has caught polarized X-rays streaming from the famous black hole Cygnu...

A seemingly ordinary red giant orbiting an invisible companion in the Gaia BH2 system is rewriting expectations about ho...

When the James Webb Space Telescope began returning its first images in 2022, astronomers noticed hundreds of unusually ...

The Gemini South telescope has released a dramatic new view of the Butterfly Nebula (NGC 6302) to celebrate its 25th ann...

NASA's long-lived Voyager 1 is poised to pass a remarkable milestone in November 2026: it will be the first human-made o...

NASA has temporarily barred Boeing's Starliner spacecraft from carrying astronauts on its upcoming operational flight, d...

For the first time, a rover on Mars has captured the electrical crackle of dust-driven lightning and even tiny sonic boo...