A newly discovered impact craters on Mars, captured in striking detail by NASA’s Mars Reconnaissance Orbiter. The image, ...
NASA's MAVEN spacecraft went dark earlier this month while it was observing 3I/ATLAS, which some thought was an alien ...
The United Nations’ International Asteroid Warning Network (IAWN) has activated a broad campaign, rallying support from Nasa ...
For those north of the equator, the solstice on Sunday, Dec. 21, marks the shortest day and longest night of the year. During ...
Webb spots a bizarre exoplanet with a carbon-rich atmosphere orbiting a pulsar, defying theories of how planets form.
A distant world with carbon in its atmosphere and extraordinarily high temperatures is unlike any other planet we’ve seen, and it’s unclear how it could have formed ...
The interstellar comet 3I/ATLAS will make its closest approach to Earth this week on Dec. 19, 2025. Here's the latest news ...
The comet will come much closer to Jupiter in March, zipping within 33 million miles (53 million kilometers). It will be the mid-2030s before it reaches interstellar space, never to return, said Paul ...