Mathematics
This mathematical trick lets you work out the weekday of any date
Regulars
Lost in Space-Time
Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the universe. You can sign up to the Lost in Space-Time newsletter here.
Space
The best space images from 2024
News
Video
2024 review: Stunning JWST images that reveal the beauty of space
Video
Physics
The wild physics that could actually be used to build a time machine
Features
Video
Why Kelly and Zach Weinersmith are sceptical about a future on Mars
Video
Space
How a space elevator could make trips to the moon affordable for all
Comment
Physics
These are the most mind-melting physics discoveries of 2024
News
Space
Exoplanet plate tectonics: A new frontier in the hunt for alien life
Features
Space
Super-bright black holes could reveal if the universe is pixelated
News
Comment
Having a baby on Mars? You may be in for a difficult time
Culture
Space
This bold, experimental slice of deep-space sci-fi is just brilliant
Culture
Technology
Millions of phones create most complete map ever of the ionosphere
News
