"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

An ultra-hot rocky exoplanet may be wrapped in a dense atmosphere, defying expectations about what small planets can sustain.

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

The world's most expensive infrared spectrometer - the James Webb Space Telescope - is unearthing extraordinary exoplanet ...

New simulations suggest Uranus and Neptune may contain far more rock than ice, offering fresh explanations for their unusual ...

Researchers employing the James Webb Space Telescope and Canada's NIRISS instrument have observed exoplanet WASP-121b getting ...

I ATLAS interstellar comet brightens in new NASA and ESA images, revealing an active visitor and rare clues about other star ...

For the first time, scientists have continuously monitored a planet's escaping atmosphere over a complete orbit, revealing ...

Neptune’s never looked like this before. Using the James Webb Space Telescope, astronomers have captured new high-resolution images that reveal stunning auroras and something even stranger: an object ...

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien ...