The Artemis III SLS core stage is lifted inside the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. Photo: NASA via NASA Image and Video Library, public domain (cropped) Artemis III will not...

The cosmic microwave background, light left over from about 380,000 years after the Big Bang, as mapped by ESA’s Planck satellite. Image: NASA Scientific Visualization Studio, using ESA/Planck data, public domain, via Wikimedia Commons Most...

An ICEYE synthetic aperture radar satellite, shown in an artist’s rendering. Credit: Defensie Nederland, CC BY-SA 4.0, via Wikimedia Commons A Russian military satellite, Cosmos 2612, spent several days parked beside ICEYE-X36, a US-registered commercial...

NASA’s Artemis II mission made history by carrying four astronauts farther from Earth than any human crew had travelled before. But during the spacecraft’s journey around the Moon, commander Reid Wiseman experienced a tense moment...

The universe is filled with galaxies, stars, and clouds of gas, but some regions appear almost completely empty even when viewed through the most powerful telescopes. Now, the James Webb Space Telescope (JWST) has detected...

Humanity’s ambition to send astronauts to Mars faces a fundamental challenge: the human body evolved under Earth’s gravity and magnetic shielding, not in the harsh environment of deep space. A new study examining the combined...

A spacecraft on a billion-kilometre journey to Jupiter has just borrowed energy from Earth to get closer to its destination. The European Space Agency’s Jupiter Icy Moons Explorer, better known as JUICE, successfully completed a...

A spacecraft on a billion-kilometre journey to Jupiter has just borrowed energy from Earth to get closer to its destination. The European Space Agency’s Jupiter Icy Moons Explorer, better known as JUICE, successfully completed a...

SpaceX’s historic Starship Flight 14 made headlines Monday after the giant spacecraft reached orbit for the first time and deployed 26 Starlink V3 satellites. But during the livestream, viewers noticed something else: a strange blue-white...

Google is preparing to test a radical idea for artificial intelligence infrastructure: putting data centers in space. The company plans to launch a refrigerator-sized satellite carrying computing power equivalent to a single server as part...