A once-in-a-lifetime comet is approaching the sun — and it will be visible for the first time in 160,000 years. The comet ...

Still circling Earth, Firefly Aerospace’s lunar lander fired its thrusters Thursday to put it on a path to reach the moon in ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

The Alinda asteroid will be visible with binoculars in a 'once in a decade' event as it brushes past Earth, with its return to the planet not expected until 2087 ...

"It's not completely unusual for asteroids to be near the Earth," Gallagher said. "Our moon is about a quarter-million miles away from the Earth. So something 7.6 million miles out would be many, many ...

Mother Earth is clearly urging a call to action. Nature is suffering. Oceans filling with plastic and turning more acidic. Extreme heat, wildfires and floods, have affected millions of people.