When did the first galaxies form? Earlier than we thought possible

Published on February 18, 2025

By looking ever further back in time, the James Webb Space Telescope is at last revealing the first galaxies – and a very strange young cosmos

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Odds of asteroid 2024 YR4 hitting Earth in 2032 have fallen again

February 18, 2025
Asteroid 2024 YR4 has a small chance of hitting Earth in 2032, but as astronomers make more observations about its trajectory, the odds of a collision are being refined

Astronomers uncover the topsy-turvy atmosphere of a distant planet

February 18, 2025
The gas giant WASP-121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest winds on any planet