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

The design of TARS: a simple yet revolutionary system TARS fundamentally differs from traditional spacecraft propulsion systems. It does not rely on chemical rockets or nuclear power; instead, it ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's ...

The Japanese Hayabusa2 spacecraft visited the asteroid Ryugu, which had flowing water for over a billion years. This unexpected discovery, made when the spacecraft collected and returned samples, adds ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS.

Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now?

Experiments on Earth indicate some common species of bacteria and fungi could survive for several days on the moon's surface, ...