It will be several years before any of these new commercial space stations circle the Earth at around 17,500 miles per hour ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

This Star Trek concept ignited a dream that humans could one day travel faster than the speed of light. Now physicists are ...

"Both hemispheres are darkening," the team explained. "The Northern Hemisphere is darkening at a faster rate." ...

A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

In the quiet layers of rock, footprints, bones, and leaves tell a story of worlds lost, and of our own uncertain future. The ...

Ice cores, tree rings, and satellite data converge on a striking truth: Earth’s rapid changes today are unlike anything seen ...

After marking the 30th anniversary of the discovery of the first exoplanet around a sun-like star, we now look forward to ...