Beyond the local interstellar clouds and their wispy clumps of hydrogen and helium atoms in the form of gas and dust, the ...

A newly analyzed planetary system has turned up a world orbiting at such a skewed angle that it defies the neat textbook ...

Interstellar comet 3I/ATLAS is making its closest approach to Earth this month, captivating astronomers with its otherworldly ...

The Hubble Space Telescope has been quietly orbiting Earth for decades, but it’s still one of the most valuable tools […] ...

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...

Japan's Subaru Telescope’s OASIS survey directly imaged a massive exoplanet and a brown dwarf, highlighting new opportunities for studying distant planetary systems.

"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

On Dec. 9-10, skywatchers across parts of Canada, the U.S. and Europe will witness a very rare occultation of the bright star ...

More research is needed before scientists can determine whether the recently observed methane signatures point to the presence of an atmosphere or are simply the result of contamination from the host ...

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

The mystery of whether TRAPPIST-1e has an atmosphere capable of hosting life continues. Discover more about it.