In late October, my friend and I took a three-hour drive to Anza-Borrego Desert State Park in southern California. It’s a beautiful place for hiking and for unusual geological formations, and it compl

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

1 Jan 00:00 AEDT (31 Dec, 13:00 UT)15 Jan 23:00 AEDT (12:00 UT)31 Jan 22:00 AEDT (11:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Australia. The sky is differen

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

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

It’s easy to get downhearted during these long weeks in the dead of winter, but all sorts of little treats can pop up to help us through. A wet day only six hours long doesn’t have a lot to offer to t