Ask anyone to describe the Great Pyramid of Giza and you get the same shape: four smooth triangular faces meeting at a point, a square base. And that was probably close to how the finished monument ...

In January 2004, a golf-cart-sized robot bounced down through the atmosphere of Mars on a cluster of airbags, rolled to a stop, and started doing what it was sent to do. NASA’s engineers had given it ...

The James Webb Space Telescope cost roughly $10 billion, launched on Christmas Day 2021, and has produced science that, according to Space Telescope Science Institute project scientist Macarena Garcia ...

The headline claim, in the form it usually arrives, is that Saturn’s rings are around 400 million years old. The actual finding, published by Sascha Kempf and colleagues in Science Advances in May ...

NASA illustration showing a neutron star, about 20 kilometres across, compared with Manhattan Island. Image: NASA's Goddard Space Flight Center. A neutron star is one of the few objects in astronomy ...

About 66 million years ago, an asteroid roughly 10 to 12 kilometres across struck a shallow, sulfur-rich carbonate platform near what is now Chicxulub, on Mexico’s Yucatán Peninsula. It opened a ...

A representative Antarctic ice shelf photographed by Francesco Ungaro via Pexels. It is not Lake Vostok or the inland ice above it; the subglacial lake is invisible from the surface. At Russia’s ...

When a group of Warlpiri elders stood along a dirt track between Lajamanu and Yuendumu in the Tanami Desert in 2026, staring at a patch of ground that looked, to outside eyes, like undifferentiated ...

The Huygens probe, dropped from the Cassini orbiter in January 2005, parachuted through an orange smog and photographed something no camera had ever seen from the ground: a floodplain of rounded ...

NASA illustration of tracked objects in low-Earth orbit using July 2009 catalogue data. The dots are enlarged for visibility and are not to scale. Image: NASA Orbital Debris Program Office. Earth ...