130°

The number glitch that can lead to catastrophe

A surprisingly simple bug afflicts computers controlling planes, spacecraft and more – they get confused by big numbers. As Chris Baraniuk discovers, the glitch has led to explosions, missing space probes and more.

70°

James Webb Space Telescope finds 'extremely red' supermassive black hole growing

The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.

70°

NASA radar images show stadium-sized asteroid tumbling by Earth during flyby

The asteroid zoomed by Earth at a perfectly safe distance of around 1.8 million miles (2.9 kilometers).

70°

Radar images reveal damage on Europe's doomed ERS-2 satellite during final orbits

Images show surprise changes to the spacecraft as it interacted with the atmosphere.