Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

A piece of space debris is the focus of the closest attention of astronomers worldwide as scientists evaluate a rare, but ...

Learn how Mount Wilson Observatory was founded on Dec. 20, 1904, the people involved, and the decisions that shaped early modern astronomy ...

Another batch of the ‘impossible’ galaxies turned out not to be standard galaxies at all, but a new type of object that ...

A year-end recap of 2025 in space, covering NASA leadership changes, space policy, major missions, scientific discoveries and key events across orbit and beyond.

Tyson’s ultimate goal was to image large swathes of the sky, measuring how galaxies’ shapes distorted as their light travelled across a Universe filled with immense lumps of dark matter. He started ...

NASA’s Nancy Grace Roman Space Telescope is set to embark on one of the most ambitious space projects in history, unveiling ...

From crewed Moon flybys to Mars test flights, 2026 reshapes global space ambitions, with NASA, ISRO, SpaceX, China and Europe planning missions that signal where exploration heads next globally ahead.

Junk is accumulating in space at a fantastic pace, with millions of pieces orbiting the Earth, and humans need to figure out a way to deal with it.

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its close pass by Earth.

Scientists suggest that the dark matter may have powered the universe’s first stars. This allows them to shine before nuclear ...

Uri Geller alleges NASA is hiding alien remains tied to interstellar comet 3I/ATLAS, sparking debate amid scientific evidence ...