The best map of dark matter has revealed never-before-seen structures

The dark matter distribution observed by the Hubble Space Telescope (left) and by the James Webb…

How to spot the lunar X and V

The lunar X, seen from Tokyo in February 2025 The Yomiuri Shimbun via AP Images/Alamy The…

A Hole in the Sky review: Peter F. Hamilton’s latest is an epic slice of sci-fi – with one flaw

A Hole in the Sky is told through the eyes of 16-year-old Hazel Adam Serba/Alamy A…

Mars’s gravity may help control Earth’s cycle of ice ages

Mars has a surprisingly large influence on Earth’s climate NASA/JPL/Malin Space Science Systems Compared with Earth,…

New Scientist recommends Avatar: Fire and Ash – especially the whale

Oona Chaplin as Varang in Avatar: Fire and Ash 2025 20th Century Studios. All Rights Reserved.…

SpaceX’s Starlink dodged 300,000 satellite collisions in 2025

A long-exposure photograph in the northern hemisphere showing satellites in the night sky Alan Dyer/VWPics/Universal Images…

Satellites could use magnetic fields to avoid collisions

There may be a new way to control satellites in space Mike_shots/Shutterstock It may be possible…

Mars once had a vast sea the size of the Arctic Ocean

Mars was once much wetter NASA/USGS Geological features on Mars suggest the planet once boasted rivers…

Our solar system is extremely weird: Best ideas of the century

The first few exoplanets were discovered in the early 1990s. But it wasn’t until the early…

Transient astronomy films the universe’s biggest dramas: Best ideas of the century

Step back 1000 years, look up at the night sky and you might notice some extra…