Bubbles of gas 75 times larger than our sun spotted on another star

The motion of bubbling gas on the surface of the star R Doradus ALMA (ESO/NAOJ/NRAO)/W. Vlemming…

Huge new volcano has burst through the surface of Jupiter’s moon Io

This Juno image from February (right) reveals a new volcano that wasn’t there in a Galileo…

Astronomers worried by launch of five new super-bright satellites

Five satellites due to launch this week could be brighter than most stars, and astronomers fear…

Get ready to spot comet Tsuchinshan-ATLAS next month

The comet Neowise and the Milky Way galaxy Adventure_Photo/Getty Images One of my favourite memories of…

Two new books explore how UFOs captured the world’s imagination

Greg Eghigian’s After the Flying Saucers Came and Luis Elizondo’s Imminent both show how our fascination…

SpaceX’s Polaris Dawn mission blasts off for first civilian spacewalk

Polaris Dawn launch SpaceX SpaceX has launched its Polaris Dawn mission to attempt the first ever…

Cloud atlas of Mars reveals an atmosphere unlike our own

Using images captured by the European Space Agency’s Mars Express spacecraft, researchers have created a cloud…

Can we spot every incoming asteroid before they hit Earth?

Asteroid 2024 RW1 seen over the Philippines Allan Madelar/Facebook The surprise discovery of asteroid 2024 RW1,…

2024 RW1: A small asteroid hit Earth and burned up over the Philippines

The predicted path of asteroid CAQTDL2 over the Philippines Catalina Sky Survey/ESA An asteroid hit Earth…

The Starliner stranding shows why NASA was wise to have a backup plan

After any problem with a rocket launch or mission, experts echo the same refrain: space is…