I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

Imagine taking a trip to the outer reaches of our Solar System, to a place few have ever seen up close. Uranus, the icy giant ...

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...

A sci-fi idea is gaining supporters, from billionaires to city councils. Whether it's feasible is another matter.

About 40 light-years away, orbiting a dim, cool red star called Trappist-1 are seven planets. One of them, scientists have ...

This year the project has already surpassed 200 concerts, which will translate into another 200 trees. Together with last ...

The two main components of the Plato spacecraft were recently mated in the clean room of OHB in Oberpfaffenhofen, Germany. On ...

The idea was that high-powered lasers would propel tiny probes to 20 percent of the speed of light, impelling them with ...

In 2016 billionaire Yuri Milner hosted a press conference at One World Observatory, the atrium topping the slick skyscraper ...

Since its discovery, astronomers have been frantically trying to gather as much information as they can about the newest interstellar interloper dubbed 3I/ATLAS. It's been challenging, but they've ...

A sci-fi idea is gaining supporters, from billionaires to city councils. Whether it's feasible is another matter.