A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

The two outermost planets in the solar system are generally considered ice giants, yet we know little about their interiors.

Astronomers have produced the first continuous, two-dimensional maps of the outer edge of the sun's atmosphere, a shifting, ...

An idea about the sun’s magnetic field called the terminator model could help predict dangerous space weather more accurately ...

Our Sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its ...

With Trump’s budget knife still poised over NOAA’s climate research operations, international researchers see a reduced role ...

Astronomers are reassessing long-held theories of comet formation after new observations of the interstellar comet 3I/ATLAS ...

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

In a discovery that's fit for a movie, Northwestern University astronomers have directly imaged a Tatooine-like exoplanet, orbiting two suns. While obtaining an image of a planet beyond our solar ...

Frequent flares from the nearby star TRAPPIST-1 could offer new clues in the search for habitable planets beyond Earth.

American space agency NASA announced the Fly Foundational Robots mission in 2027, meant to test a robotic arm made by Motiv ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...