According to experts at the University of Oxford, the planet known as HD 20794 d has a mass six times greater than Earth's and orbits within the 'habitable zone' of a star similar to the sun.

64 years ago, a man born in a tiny Russian village to a carpenter and a dairy farmer spent 108 minutes looking down at Earth.

shows the lunar surface and the setting sun with Earth and Venus on the horizon, during the lunar mission of Firefly's Blue Ghost lunar lander. The robot collected collected nearly 9,000 images ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

By the time the second image was captured in 2019, the ice covered less than 0.4 square miles (1 square km), according to NASA's Earth Observatory. The glacier was declared dead in 2014 ...

The deep space asteroid that recently made headlines for its potential to collide with Earth received its own photoshoot courtesy of NASA’s James Webb Space Telescope. While the images released ...

Scientists say gravity as well as tidal forces are responsible for pushing the moon further away from our planet ...

What looks like something out of the finale of "2001: A Space Odyssey" is actually a long-exposure image of the Earth and stars seen from space at night from the International Space Station as ...

“These images, captured by different camera angles and stitched together in a video, show a horizon glow that comes to life just above the Moon’s surface as the sun goes down. Earth and Venus ...

Put your love for the planet on display by flying the unofficial Earth Day flag. The flag, which features an image of Earth as viewed from space, was designed by environmental advocate John ...

The Earth's curvature is also visible laterally in the photograph, although the effect is subtle as the image encompasses only 1/360 of the Earth's circumference." And in November 1935 ...