Astronomers have used the James Webb Space Telescope (JWST) to observe an oddball gas giant exoplanet orbiting a dead star.

Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

A new study suggests that when our star becomes unstable in 5 billion years or so, Earth may avoid being engulfed by its ...

Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before. In the gas around it, they found isotope ratios that do not match the ...

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of ...

The European Space Agency's XMM-Newton and NASA's Chandra X-ray space telescopes have spotted the aftermath of three bright explosions echoing through the outer spiral arms of our galaxy, the Milky ...

The European Space Agency's XMM-Newton and NASA's Chandra X-ray space telescopes have spotted the aftermath of three bright explosions echoing ...

Of all the strange worlds in our Milky Way galaxy, some of the most mysterious are those hanging around white dwarf stars.

From the lightbulb to the airplane, to medical breakthroughs and the internet age, the past 250 years have been defined by ...

A surprising reversal in molten iron flow beneath the Pacific is giving scientists a sharper view of how Earth’s magnetic ...

About 5 billion years later, the Sun will exhaust its hydrogen reserves, turn into a red giant, and then shrink to a white ...