A NASA satellite that suddenly reappeared after going silent gets credit for the remarkable discovery—a pair of temporary ...

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.

Summer-a time when the urge to explore places familiar and new beckons to young and old alike. Although the sun sets late during the summer months, we inevitably find ourselves outside looking at ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Tokyo-based startup ArkEdge Space claims it has snapped what is “probably” the highest quality images of Earth taken by a ...

Indian-origin astronaut Sunita Williams, currently on the ISS, shared a stunning selfie during her 9th spacewalk with fellow astronaut Butch Wilmore. Williams achieved the most cumulative spacewalking ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...