A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent ...

Scientists have found new but tentative evidence that a faraway world orbiting another star may be home to life. A Cambridge ...

The peer-reviewed report in the Astrophysical Journal Letters presents more questions than answers, acknowledges numerous ...

One such moment was when space craft sent back images of the Earth for the first time. Another is the discovery of life on ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being ...

Chinese researchers analyzed the first-ever soil samples returned from the far side of the moon, but further samples will be ...

April’s planetary parade has fewer planets. Only four will line up: Venus, Saturn, Mercury and Neptune. April's parade of ...

Despite decades of searching for this signal, astronomers have yet to find it. The problem is that our Earth is too noisy, making it nearly impossible to capture this whisper. The solution is to go to ...

But our moon is just one of 421 moons in our solar system, and it carves out a lonely figure. Our moon orbits our planet ...

Combining with one other previously confirmed planet, one of our closest stellar neighbors now has a family of four.

"We can chart a course for Mars in line with the president's vision to return to the moon before the Chinese can get there ...

Mars has two small, potato-shaped moons, called Phobos ... from the surface. Many other missions, both past and present, have revealed amazing insights about the planet's history, and future ...