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 ...

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

Combining advanced stellar models with data from the ESA’s Gaia telescope, they not only gave a clearer picture but also ...

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

What Is Below Earth, Since Space Is Present In Every Direction?. Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ....If you've seen ...

The search for intelligent life in our galaxy is shifting from abstract speculation to detailed cartography, as researchers try to sketch where alien societies might arise, thrive and vanish inside ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

Less than a year into its mission, NASA’s SPHEREx has already completed its first full survey of the sky, producing a ...

Scientists are developing new methods to turn black hole images into time-resolved 3D movies, revealing how plasma, jets, and gravity behave near event horizons ...

A few weeks ago, technicians inside a cavernous clean room in Maryland made the final connection to complete assembly of NASA’s Nancy Grace Roman Space Telescope. Parts of this new observatory, named ...