NASA is always keeping an eye on space rocks that get anywhere near Earth, and 2019 has been a relatively calm year in terms of close passes. A recently discovered asteroid is going to make a not-super-close pass of Earth later this week, and while it doesn’t pose much of […]

NASA’s Opportunity, the Mars rover that was built to operate for just three months but kept going and going, rolling across the rocky red soil, was pronounced dead Wednesday, 15 years after it landed on the planet. The six-wheeled vehicle that helped gather critical evidence that ancient Mars might have […]

A mysterious “empty trash bag” object has been spotted floating above Earth. The satellite is thought to be several meters across but is extremely lightweight, the astronomers who spotted it say. The object is probably a piece of light material, such as metallic foil, that has been left over from […]