Created by the sun, the protective bubble of the heliosphere shields our solar system from harmful radiation. A new mission will map it like never before.

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

Hot, small and old—exoplanet TOI-561 b is just about the worst place to look for alien air. Scientists using JWST found it ...

But those claims were quickly met with pushback. Independent analyses of the same JWST data suggested the team's evidence for ...

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are waiting to be discovered.

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

Using the James Webb Space Telescope, scientists uncovered bizarre atmospheric structures on Saturn, including drifting “dark beads” in the ionosphere and an asymmetric star pattern in the ...

Oceans cover three-quarters of the Earth, yet only 20% of the seafloor has yet been mapped. The race to understand these ...

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

The Carruthers Geocorona Observatory is the first mission focused on studying changes in the exosphere, the Earth’s outermost ...

A new method for quantifying grandeur is reshuffling the pecking order of the planet’s most impressive peaks. Turns out ...

Webb uncovers methane on Makemake, showing the icy dwarf planet is more active than once thought - just like Pluto.