NASA’s UFO team discusses its findings publicly for the first time
31 May 2023
A NASA group that formed around a year ago to study unidentified aerial phenomena held its first public meeting ahead of a report expected in the next few weeks
-
Subject
-
Section
-
Type
-
Topics
-
Author
-
Issue
-
Premium
Why sending messages to extraterrestrials is controversial
24 May 2023
If there are intelligent aliens out there, should we try to get in touch with them? And who should speak for Earth, asks professor of astronomy Chris Impey
Lab imitations of the unobservable cosmos can be genuinely insightful
24 May 2023
Despite the obvious caveats, physicists are right to use fluids and other physical analogues to search for fresh insights about extreme cosmic phenomena, from black holes to the big bang
Questions I dread: How did the universe begin, and what is space-time?
24 May 2023
As a theoretical cosmologist, you would think I'd welcome the chance to answer these questions - but it isn't clear this is an inquiry that physics can answer, says Chanda Prescod-Weinstein
Why darkness between stars reveals more about the universe than light
5 May 2023
When looking up at the night sky, light from stars draws attention. But the darkness between the light can reveal even more about the universe, says Nobel prize-winning astrophysicist Adam Riess
Alien messages responding to NASA signals could reach us by 2029
2 May 2023
Radio signals sent to NASA spacecraft could have already reached four neighbouring star systems, and if any aliens tried to respond, we might hear from them within a few years from now
How are the atoms that form us forged across the universe?
10 March 2023
For decades researchers have studied how heavy elements are produced in the cosmos – but there is still so much mystery to unravel, says astrophysicist Artemis Spyrou
How to understand wormholes and their weird quantum effects
6 March 2023
Classical relativity suggests that nothing could pass through a wormhole and exit, but quantum effects change that, says space reporter Leah Crane
SpaceX launches Starlink V2 satellites to increase internet capacity
28 February 2023
A new generation of Starlink’s internet satellites will orbit at low altitudes and eventually re-enter Earth’s atmosphere, limiting the amount of clutter in orbit
How to see the northern lights in the UK tonight
27 February 2023
The northern lights, or aurora borealis, were seen as far south as Cornwall in the UK on Sunday night, and are likely to be visible again on Monday night. Here is how to spot them, says Stargazing at Home columnist Abigail Beall
