On Sunday, April 27, the Moon will be about 221,900 miles from Earth when it reaches perigee, the closest distance in its ...

The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of ...

April 22 is traditionally known as Earth Day, the occasion where we pause as temporary travelers on our 'blue marble' to ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

From outer space threats to dangerous dino drama — from super-powered action to robotic horror — and from mega-budget ...

One of the most enduring and powerful images from America's space program. Earthrise was taken on Christmas eve in 1968 by Astronaut William Anders, Lunar Module Pilot. It is a vintage print in suberb ...

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

The images below show the day-by-day phases of the Moon in April. The Full Moon this month was on Saturday, April 12. Note: Moon phases in the calendar vary in size due to the distance from Earth ...

The world’s first satellite constellation in Earth-moon space is up and running, after a team of young Chinese engineers recovered two of the spacecraft that had been stranded in the wrong orbit ...

During his life, Willy Ley predicted the dawn of the Space Age with remarkable accuracy. How did his remains end up forgotten ...