A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

The Chandra X-ray telescope and other observatories are being used to study stars that could potentially harbor habitable planets. Future observatories will use the data to narrow down the list ...

The Chandra X-ray telescope and other observatories are being used to study stars that could potentially harbor habitable planets. Future observatories will use the data to narrow down the list ...

While JAXA's Suzaku X-ray telescope came to the end of its scientific mission in 2015, XMM-Newton remains operational more than a quarter of a century since its launch; a testament to its designers ...

NASA's Chandra X-ray Observatory has detected an enormous X-ray jet from quasar J1610+1811, observed at a distance of about 11.6 billion light-years (roughly 3 billion years after the Big Bang). The ...