Earth whirls around the sun in an ellipse, rather than a circle. On Friday the planet will reach its farthest Read More

The cause of the incident, which added to a growing amount of dangerous space junk in low Earth orbit, remains Read More

Mike Bettwy, a government meteorologist who focuses on potential threats from space weather, says that we are more prepared than Read More

The Chang’e-6 mission’s sample, which might hold clues about the origins of the moon and Earth, is the Read More

We have Earth’s off-kilter tilt to thank for the summer solstice, as well as the different seasons.Read More