They're called ghost particles for a reason. They're everywhere—trillions of them constantly stream through everything: our ...

Over its planned two-year mission, the $488 million telescope will scan the entire night sky every six months and collect ...

Our galaxy's supermassive black hole is famous for being one of the dimmest in the universe. Evidence from a new space ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

They're called ghost particles for a reason. They're everywhere – trillions of them constantly stream through everything: our ...

A new study in Monthly Notices of the Royal Astronomical Society used advanced computer simulations to test whether major ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

A new study shows how Milky Way chemical tracks emerge from shifting star formation and gas supply, reshaping ideas about the ...

A Canadian-led team of researchers has discovered a 'baby' galaxy cluster in the early universe surrounded by gas far hotter ...

Gaia data reveals signs of planets forming around young stars by measuring stellar motion, identifying planetary, brown dwarf, and stellar companions in early star systems ...