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NASA's Chandra telescope uses 'X-arithmetic' to reveal how black holes shape galaxy clusters (images)

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...
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NASA astrophysics director offers optimistic vision despite budget uncertainty

The head of NASA’s astrophysics division offered an upbeat assessment of upcoming missions, a stark contrast to the agency’s ...

3I/ATLAS Is An Interstellar Comet - NASA Says 'All Evidence Points To It'

NASA associate administrator Amit Kshatriya and associate administrator of NASA Science Dr. Nicky Fox explain that "all ...

NASA Tracking Plane-Sized Asteroid Approaching Earth

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

NASA astronaut back on Earth after 8 months on space station

NASA astronaut Jonny Kim flew home with two Roscosmos cosmonauts from the International Space Station packed tight in their ...

NASA astronaut comes home after circling Earth 3,920 times

Kim officially became an astronaut in 2017. Expedition 72 and Expedition 73 marked Kim’s first visit to the ISS, where he ...

NASA's Hubble telescope gets another look at 3I/ATLAS. Here's what it found

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.