Aerospace
Largest comet ever seen is 80 miles wide, says NASA
Comet Bernardinelli-Bernstein is the largest comet ever observed, according to a new study based on Hubble Space Telescope data.
SpinLaunch to fling a NASA payload toward space
SpinLaunch is going to use a massive centrifuge to accelerate a NASA payload to supersonic speeds before flinging it toward space.
An old satellite was hacked to broadcast signals across North America
A recent satellite hacking shows that end-of-life satellites may be vulnerable.
Lasers from space create unique new map of Earth’s forests
A lidar instrument on the ISS has been used to create a near-global 3D map of the Earth’s biomass for conservation and climate research.
NASA’s massive SLS rocket is one test away from launch
NASA's moon-bound SLS rocket is at Kennedy Space Center and ready for its wet dress rehearsal — the last major test before launch.
Farthest galaxy from Earth discovered by Tokyo astronomers
Astronomers have discovered a new farthest galaxy from Earth, and it could change what we thought we knew about the early universe.
Hubble smashes record for farthest star ever seen
NASA's Hubble Space Telescope has smashed its own record for farthest star ever seen with the detection of “Earendel.”
ESA space telescope snaps pic of new NASA neighbor
ESA’s Gaia observatory has snapped a photo of NASA’s James Webb Space Telescope, its new neighbor at Earth’s second Lagrange point.
Researchers scheme how they could ride a laser to Mars
Researchers have proposed an idea that will cut travel time to Mars down to just 45 days. All it takes is hitching a ride on a giant laser.
ESA plans to make the first oxygen on the moon
ESA plans to send a device that pulls oxygen from lunar regolith to the moon by 2025 and then build an oxygen-producing plant in the 2030s.