What's up in
Universe
Astronomy, cosmology, stars, planets, black holes and the observatories revealing how the cosmos works.
In 2002 astronomers averaged the light of 200,000 galaxies and announced the universe…
A dying star might never collapse into a black hole
344 steps stood between the James Webb Space Telescope and total failure
On WASP-121 b, the evening sky runs hot enough to tear water apart, hotter than the…
The James Webb Space Telescope may have seen the chemical fingerprint of a molecule…
An asteroid long thought to be a chunk of the Moon may be ordinary space rock instead…
On a September night in 1999, a 25-year-old graduate student stepped into a modest…
In 2022 the Event Horizon Telescope revealed the first image of the monster at our…
A single day on Mercury, from one sunrise to the next, lasts 176 Earth days, which is…
The Big Bang did not explode into empty space from a central point
