Defenders of the earth

Asteroids rich in rare elements could be harvested for their valuable contents, but the real worth may be in using them as interplanetary fuel stations

Many of the most dramatic cosmic events take the form of explosions, from asteroid impacts to the Big Bang itself. Here are some of the most spectacular examples

The year 2025 has been a vintage one for astronomy. In January, we were hooked on reports of a building-sized asteroid on course to collide with Earth. The risk was quickly downgraded from worrying to

There are some Really Big Things coming up in the world of exoplanets in 2026. Sadly, they’re not until the tail end of the year – tough for someone like me who struggles with patience. (True story: a

Damien Demolder considers...

RUSSIA’S ‘GREY ZONE’ ACTIVITY IN THE BALTIC, FROM GPS INTERFERENCE TO AGGRESSIVE SHADOWING, IS UNSETTLING SAILORS. WILL THIS BE THE NEW NORMAL, ASKS ELAINE BUNTING?