Most near-Earth asteroids are thought to drift in from the main asteroid belt. But a small subset may have a much closer origin: the moon. One intriguing example is 469219 Kamoʻoalewa (2016 HO3), an ...

NASA is planning to conduct a critical fueling test known as a wet dress rehearsal that will determine if Artemis 2 is on ...

Artemis II echoes the Apollo-era missions that paved the way for the first moon landing — and sets the stage for what comes ...

A setting waning moon and the thin line of Earth's atmosphere are photographed by an Expedition 24 crew member as the International Space Station passes over ...

China has just notched a space achievement that quietly shifts the balance of exploration. By bringing back the first rocks ...

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NASA is keeping an eye on uncharacteristically cold weather in Florida that could thwart a potential launch of the upcoming Artemis 2 lunar mission.

The Artemis 2 astronauts who will become the first humans in more than 40 years to fly on a lunar mission are in quarantine. Here's what that means.

Indias third lunar mission, set for launch on Friday, is loaded with more fuel, a slew of safety measures and a bigger landing site, with ISRO saying it has opted for a failure-based design for the se ...

An artist’s conception shows the Orion spacecraft’s main engine firing during a lunar flyby, surrounded by eight auxiliary engines built by L3Harris’ Aerojet Redmond facility. (NASA Illustration) ...

Private companies are testing new power systems for longer rover missions and future human lunar habitats. By Mack DeGeurin Published Dec 11, 2025 1:08 PM EST Get the Popular Science daily ...

Astronaut training pushed humans to their limits. Pilots practiced impossible shuttle landings in modified jets while others trained on the terrifying Lunar Lander simulator. How you prepare for what ...