As pandemic lockdowns forced humans into isolation, Earth's vegetation was thriving. The year 2020 was the greenest in modern ...

It sounds like something out of a science-fiction movie. For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus. The celestial object is more than just a ...

Two days this summer have been unusually short, with the shortest expected on Aug. 5, leading global timekeepers to consider adding a negative leap second. When you purchase through links on our site, ...