Light-bending gravity reveals one of the biggest black holes ever found – Phys.org

Black holes are intriguing astronomical objects that have a gravitational pull so strong that it prevents any object and even light from escaping. While black holes have been the topic…

A large swath of Earth's oceans changed color over the past 20 years—and human activity is suspected to have caused it, a new study reports.

Japan's moon lander woke up after unexpectedly surviving a second frigid, two-week lunar night and transmitted new images back to Earth, the country's space agency said Thursday.