Scientists have been cataloging comet 3I/ATLAS’s journey through the Solar System since July, tracking major milestones as ...

Think a trip to Mars takes a few months? The reality of interplanetary travel is far more complex. This video breaks down the true travel times to every planet, from Mercury to Neptune, using real ...

When it comes to planets in our Solar System's habitable zone, one world is too close to the Sun, another is too far and ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made valuable ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

NASA’s Parker Solar Probe and Europa Clipper captured detailed observations of interstellar comet 3I/ATLAS in 2025, providing data on its trajectory, composition, and behavior as it passed through the ...

While NASA's James Webb Telescope and other instruments have already spotted abundant water vapor, carbon monoxide and carbon ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on December 19, 2025, revealing chemical secrets from a ...

In the latest of his Christmas columns, the FT’s Undercover Economist fields some of your most outlandish proposals, and concludes that there is no such thing as a stupid question ...

Images captured by NASA's Parker Solar Probe as the spacecraft made its record-breaking closest approach to the sun in ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...