XMM-Newton gamma-ray detection shows the Milky Way is bigger than previously thought

The Milky Way’s farthest spiral arms have long been sketched more from motion than measurement. Now three violent explosions ...

NASA explains Fermi telescope does not detect gamma-rays from nearby supernova

NASA’s Fermi Gamma-ray Space Telescope "detected none of the high-energy gamma-ray light" from a nearby supernova. NASA ...

NASA’s most powerful X-ray telescope reveals Milky Way may stretch farther than previously known

A team of astronomers has discovered that the spiral arms of the Milky Way galaxy may stretch further out into space than was ...
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NASA launches Swift Boost mission to rescue space telescope

NASA successfully launched its mission to save the Neil Gehrels Swift Observatory on July 3, just over nine months after ...

NASA will have to find a way to service its new alien-hunting space telescope

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

NASA plans to light a fire on the moon for the very first time — here's why

NASA is planning to light a fire on the moon to better understand how combustion works in low-gravity environments.

Katalyst’s satellite rescue mission is now in pursuit of NASA’s Swift

High above the remote Pacific Ocean, about halfway between Hawaii and the northernmost part of Australia, an air-launched ...

A 22-year-old NASA telescope is quietly falling toward Earth, and a $30 million robotic lifesaver is launching this week in a first-of-its-kind rescue

NASA prepares a robotic mission to rescue the aging Swift telescope before orbital decay brings the observatory back to Earth ...

NASA’s risky bid to save Swift telescope before solar drag pulls it into Earth's atmosphere

NASA is preparing for a rescue that sounds more like a stunt than routine mission control: send a robot into orbit, find an ...

NASA Mission To Rescue The Falling Swift Observatory Has Launched

NASA has made contact with LINK, the robotic spacecraft made for the Swift Boost mission.

NASA launched an emergency mission to stop the Swift Observatory from crashing to Earth

The mission came together in just nine months. The Swift Observatory was launched in 2004, but recent solar storms have ...
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A NASA space telescope is falling out of the sky, and to save it the agency skipped its own contractors and handed the job to a four-year-old startup that had never flow…

The Neil Gehrels Swift Observatory has spent 21 years as astronomy's first responder, swinging toward exploding stars faster ...