The nucleus, estimated from Hubble Space Telescope images to be at most a few kilometers across, cannot be resolved in our HiRISE image. Additionally, due to spacecraft jitter during the observation ...

NASA's James Webb Space Telescope has delivered a first of its kind: a crisp mid-infrared image of a system of four ...

"It's the only launch vehicle that can meet the orbit, the schedule and the cost to achieve something unprecedented with ...

The four beams produced bright artificial “stars," which act as guides to help astronomers correct for the distortions caused ...

Before you ask: no, it's not AI. What you're looking at above is a skydiver framed by the roiling chromosphere of the Sun, ...

The James Webb Telescope is reshaping our understanding of distant worlds, revealing exoplanet atmospheres, potential ...

The observations are the earliest yet of a supernova, revealing in detail the moment that the shockwave obliterated the star.

NASA is set to release new spacecraft and telescope images of the rare interstellar comet 3I/Atlas, offering a closer look at ...

The powerful coronal mass ejection would have likely destroyed the atmospheres of any potentially habitable planets nearby ...

Discover James Webb discoveries revealing the JWST early universe, cosmic dawn insights, and groundbreaking new space ...

Astronomers have, for the first time, recorded the moment a star’s explosion broke through its surface. The nearby supernova, ...

The JWST's MIRI detected a flare in Sagittarius A*, revealing for the first time in mid-infrared how an explosion occurs near ...