New James Webb telescope observations of the 'super-puff' planet WASP-107b show that the exoplanet's runaway atmosphere is ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

Proliferating satellites are beginning to harm the science work of the beloved Hubble Space Telescope and other observatories ...

Could the greatest threat to cosmic discovery be silence, not secrecy? The case of 3I/ATLAS, the third interstellar object ...

Critics argue the satellites, billed as a way to harness solar energy at night, could hamper sky observations and may pose a ...

Scientists have detected tiny lightning bolts on Mars for the first time — they were found discharging around NASA's ...

Scientists have finally confirmed a powerful coronal mass ejection from another star, using LOFAR radio data paired with ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, literally and figuratively. The extrasolar planet, or "exoplanet," designated ...

LEO communications satellites are proliferating like rabbits Nearly all images from some space telescopes in low Earth orbit ...

Funding uncertainties are pushing U.S. space scientists out of the field and putting existing and future space missions on the chopping block.

A 2023 astronaut photo shows three dark hills, or mesas, towering above part of the Sahara desert in southern Mauritania. The ...