Most space missions rely on chemical rockets for propulsion. Rockets must carry fuel, which increases spacecraft mass and limits their speed and travel distance. For decades, researchers have explored ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

Government officials have said little about Trump’s most recent social media post on the matter. The president cited “tremendous interest” in the files, whatever they might contain. Perhaps the most ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

NASA’s Curiosity rover has spent roughly six months exploring a geological feature on Mars known as boxwork: a vast network of low rock ridges, about 3–6 feet (1–2 meters) tall, crisscrossing the ...

Artemis II has been plagued by similar issues to those faced by its predecessor, leading NASA to shake up its plan to return ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” Richard Feynman’s reflection lingers because it feels personal.

A computer expert pulled off the 'biggest military computer hack of all time,' breaching NASA's system to find what he said ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed to ...

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...