James Webb telescope finds ice older than the star it orbits
Radiation and collisions reshape the planetary building materials.
Radiation and collisions reshape the planetary building materials.
With Hubble expected to reenter the atmosphere by 2034 and several malfunctions on board, NASA is asking commercial space companies for proposals on how to extend the telescope’s lifespan.
Software optimizes a physical model of the telescope to reduce noise.
NASA's Swift telescope has re-entered Earth's atmosphere near Indonesia following a failed rescue attempt earlier this year.
NASA’s Neil Gehrels Swift Observatory is falling to its fiery end early Wednesday nearly 22 years after it launched.
Neil Gehrels Swift Observatory is expected to re-enter Earth’s atmosphere Wednesday, burning up in the process
The Swift Observatory is expected to re-enter Earth’s atmosphere on Wednesday, and is ‘unlikely’ to cause harm.
After plans to save it failed, NASA's Swift telescope is hurtling back to Earth. Here's how to track its descent.
The Hubble Space Telescope will come crashing to Earth sometime in the 2030s without a boost.
An aging NASA telescope is barely clinging to space after a failed rescue effort left it tottering lower and lower.
“We owe it to the American taxpayer”: NASA asks companies how to save Hubble, as its Swift telescope falls to Earth.
The space agency solicited ideas for reboosting Hubble four years ago, but they didn't go anywhere.
ED138, a newly discovered dwarf planet candidate, could join a group of only five other recognized objects that includes our solar system’s former ninth planet.
The Webb telescope sees tiny red dots everywhere. Astronomers can’t agree on what they are, but some believe they may be enormous stars with black holes inside.