For only the second time ever, a collision between two asteroids has been observed around an alien star not too far beyond ...
See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope. The galaxy is 500 million light years ...
A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope.
The 21st day of the annual Space Telescope Advent Calendar features galaxies of varying shapes and sizes, some appearing ...
The visitor is currently racing away from the sun at a staggering 137,000 mph (221,000 km/h). Its itinerary for the coming ...
This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision, with their spiral arms overlapping and bending toward their neighbors' ...
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.
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