The strangest part of the TOI-201 system is not that it holds three very different worlds. It is that astronomers can ...

In April 2026, the early morning sky is expected to show a rare grouping of planets that may attract attention from ...

This week, we got a different moon—the Artemis moon. The moon captured by America’s first mission there in generations is not ...

Far beyond the reach of any spacecraft, a distant world glows with heat so intense that rock itself turns to vapor. In that ...

Comment: Happily, humanity mostly shared the recent ‘moon joy’ of Artemis II even against the backdrop of wars, writes ...

The Artemis 2 crew carried miniature tissue chips that were created using their own stem cells. This study, called AVATAR, ...

Sea ice is not just solid frozen water. It's riddled with tiny pockets and channels of liquid brine. Whether those pockets ...

A team of researchers have been analyzing ancient rocks found in Australia that suggest that the Earth formed in far ...

Next summer, Balmer will continue these inquiries as they and their Northwestern host, Assistant Professor Jason Wang, plan ...

Comet C/2025 R3 is putting on its final show as it passes close to the Sun before leaving the solar system forever.

Saturn’s magnetic shield does not sit where many scientists would expect. After combing through years of data from the ...

But on Monday, as the Artemis II spacecraft flew between 6,000 and 7,000 kilometers above the lunar far side, the human crew ...