No joke: The crescent moon will align with Venus and Saturn to form an emoji-like grin.

See the brilliant planet before dawn, low in the eastern sky before dawn and brighter than anything else in the sky, save the Sun and Moon.

A rare celestial event will brighten Texas skies on Friday, April 25, as two planets join the crescent Moon to form a smile ...

This asteroid is bigger than scientists anticipated, about 5 miles long and 2 miles wide at its widest point — resembling a deformed peanut.

The annual fee is steep, but it's more than worth it for those who want to travel in comfort and also bring a friend along. It's a luxury card for those who fly frequently with Delta and can ...

She broke the world record for a marathon 20 years ago, two decades after her father ran his first. And now Paula Radcliffe's daughter, who was diagnosed with cancer five years ago, is going to be ...