Time Travel

Gravitational wave hunters will get an ultracool new tool in 2023

Updated: 2022-12-31 18:00:31

We have been detecting gravitational waves since 2015, but there is still much more to learn. The Matter-wave Laser Interferometric Gravitation Antenna will use ultracold atoms to spot ripples in space-time at lower frequencies than ever before

We saw the supermassive black hole at the centre of our galaxy in 2022

Updated: 2022-12-22 10:00:10

Astronomers using the Event Horizon Telescope released a picture in May of Sagittarius A*, the black hole at the centre of the Milky Way

It may be possible to traverse a wormhole and then send a signal home

Updated: 2022-12-20 23:08:22

When matter falls into a wormhole, the wormhole is expected to collapse – but a probe may be able to send a signal back through before it’s trapped on the other side