Katalyst's robotic mission attempts to dock and raise the aging satellite's altitude before reentry.

NASA’s Habitable Worlds Observatory "will draw on technologies proven by the agency’s Hubble, Webb and upcoming Roman Space ...

Nasa’s Neil Gehrels Swift Observatory has been orbiting the Earth for over two decades. Now, it is slowly falling out of ...

NASA’s Neil Gehrels Swift Observatory is in a race against time. For more than 21 years the Earth-orbiting telescope has ...

WASHINGTON (Reuters) -NASA has tapped startup Katalyst to save a $500 million orbiting observatory from falling into Earth's atmosphere by launching a spacecraft meant to push it farther in space, a ...

BROOMFIELD, Colorado—One of NASA’s oldest astronomy missions, the Neil Gehrels Swift Observatory, has been out of action for ...

NASA's IXPE (Imaging X-ray Polarimetry Explorer) mission has taken a new observation of a supernova, RCW 86, helping fill in ...

WASHINGTON — NASA is making progress on a multibillion-dollar series of Earth science missions amid uncertainty about their funding for the next year. In town hall sessions at the Fall Meeting of the ...

NASA is celebrating the 25th anniversary of its Chandra X-ray Observatory launch by sharing never-before-seen photos of the largest known spiral galaxy in the universe. The Chandra X-ray observatory ...

The first space-based observatory designed to detect gravitational waves has passed a major review and will proceed to the construction of flight hardware. On Jan. 25, ESA (European Space Agency), ...

NASA shared a response Wednesday on an independent review board established to assess plans and goals for the next generation of Earth-observing satellites: NASA’s Earth System Observatory, a cutting ...