Russia lost control of an orbiting radio telescope (updated)
Spektr-R is alive, but it's not answering.
Researchers may have witnessed the birth of a black hole
An object dubbed ‘The Cow’ could be a newly formed black hole or neutron star.
Astronomers detect more mystery radio bursts from beyond the Milky Way
The repeated activity could help determine their origins.
Researchers propose guiding large space telescopes with tiny satellites
In the future, they could be used to stabilize telescopes studying exoplanets.
Hubble telescope 'mother' Nancy Grace Roman dies
She was also NASA's first woman executive.
NASA bids Kepler 'goodnight' with last set of commands
The space telescope has entered eternal sleep.
The Kepler space telescope's end has finally come
It confirmed thousands of exoplanets in its over nine-year mission.
NASA fixes Hubble gyroscope by turning it off and on again
The Hubble is expected to be back in business soon.
NASA put Kepler back to sleep in hopes it will send data again
The spacecraft is struggling to point its telescope.