The solar system has too many moons – it's time for a cull

Designating rocks just a few kilometres across as moons is misleading and ridiculous. We need to…

Spot six planets in the sky this week: Mercury, Mars, Uranus and more

Late October is a great time to spot planets, says Abigail Beall, and with a few…

Don’t miss: Sleepless nights, ephemeral worlds and telepathic terrors

This week, endure entrancing, always-on art, learn about the planets that never were and watch a…

A sci-fi anthology offers widely divergent glimpses of the future

From alienated life in post-Arctic Sweden to the failure to engage with tech’s new intimacies, Helen…

Distant galaxies moving in sync hint at cosmic web across the universe

Astronomers have found that galaxies separated by large distances appear to be linked with neighbouring galaxies,…

Blue Origin assembles space industry dream team to build moon lander

Jeff Bezos’ space flight company Blue Origin has announced three established companies from the space industry…

Moving to Mars – this show will help you become a real Martian

From memorious clothing to wasteless habitats, the reality of living on Mars is brought home at…

SpaceX plans to put more than 40,000 satellites in space

Documents show Elon Musk’s firm SpaceX wants to launch another 30,000 satellites – more than triple…

Strange sand dunes on Titan could be made by cosmic rays hitting ice

Saturn’s largest moon Titan has strange sand dunes that seem to be full of organic molecules,…

How to use the Orion constellation to find Sirius the dog star

Some of the sky’s brightest stars including Rigel and Betelgeuse are located in the iconic constellation…