The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...
Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...
On December 25, 2021, the largest and most powerful space telescope, the James Webb Space Telescope, was launched into space ...
The space telescope Gaia has created the largest three-dimensional map of the Milky Way ever. On January 15, 2025, Gaia shut ...
Scientists at NASA for the first time have been able to observe the make up of Pluto and other small and icy celestial bodies in the outer solar system. At such a critical moment in US history, we ...
Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...
To make space servicing safer and more efficient, researchers created a fuel-efficient, collision-free trajectory ...
As dark moonless skies make new observations of asteroid 2024 YR4 possible, researchers are refining its orbit — and its ...
NASA's Jet Propulsion Laboratory has declared a 1.6% chance that a large asteroid would strike the Earth when on Dec. 22, ...
The asteroid 2024 YR4 probably won’t come nearly as close to Earth anytime soon as the space rock in this artist’s ...
NASA announced Wednesday that the odds of the up to 300-foot-wide asteroid hitting Earth dropped from record highs. See where ...
As more satellites, telescopes, and other spacecraft are built to be repairable, it will take reliable trajectories for service spacecraft to reach them safely. Researchers are developing a ...