During the Cold War, American and Soviet scientists embarked on an unprecedented quest to contact extraterrestrials. But ...

NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.

Telescopes spy a monster radio jet streaming from a bright and early object in the universe How an ancient asteroid strike ...

The Solar Orbiter spacecraft has sent back the sharpest images of the sun’s surface, captured from 74 million kilometres away. These high-resolution images reveal the sun’s dynamic surface ...

which deployed 21 more satellites into the company's ever-growing internet constellation in low-Earth orbit. Thirteen satellites boasted direct-to-cell communications capabilities. The Space Force ...

But then retreats beyond the orbit of Venus to "cool down". The European Solar Orbiter mission makes less aggressive sorties toward the star, to only about one-third of an astronomical unit (AU).

Have you looked up at the evening sky lately? Right now, the heavens are putting on a spectacular show with a planetary ...

SpaceX launched a new round of Starlink satellites into lower Earth orbit on its 11th launch of 2025, setting it on pace to break another one-year launch record.

CAPE CANAVERAL, Fla. (AP) — A private U.S. spacecraft bound for the moon has captured stunning images of Earth one week into its flight. Still circling Earth, Firefly Aerospace’s lunar lander fired ...

Venus, Mars ... CEO of Integrate Space, tells TODAY.com. This occurs when the planets' positions in their elliptical orbit around the sun line make them seem like they are close in the sky.

Equipped with high spectroscopy, among other advanced features, the James Webb Space Telescope enabled scientists ... on the exoplanet atmosphere. Super-Venus GJ 1214 b offers new insights into ...