The Solar System feels crowded when we look at the planets—but that's an illusion. Beyond the familiar worlds lies an almost ...

The planets that appear most common in the universe could have a lot of water—but it could be hiding where telescopes can't ...

Discover 25 Air and Space Crafts that shaped history, from the Wright Flyer to lunar landers. See how these iconic machines ...

The new goal of the revamped program was to study the outer solar system and the interstellar medium beyond the sun’s ...

Just when it seemed humanity’s most distant planetary explorer had gone quiet once again, NASA’s New Horizons spacecraft has awakened 6 billion miles from Earth, well beyond Pluto’s orbit. The timing ...

A Japanese spacecraft flew by an asteroid and snapped a picture. It turned out to be a “contact binary”: two space rocks that somehow fused together.

The ancient Greek epic has been adapted numerous times and in various media since it was first committed to writing almost ...

Credit: NASA Titan’s resources could one day make Saturn’s largest moon a major outpost for deep space exploration. Titan is ...

The probe is set to become the third human-made object to leave the solar system, but it must first cross this mysterious boundary.

A giant planet had been hiding inside one of astronomy’s most closely studied planetary systems, concealed by a bright disk of cosmic dust. Webb revealed Beta Pictoris d through atmospheric traces of ...

A new analysis of years-old telescope images revealed tiny pieces of space debris that could threaten satellites in ...

NASA’s James Webb Space Telescope discovered Beta Pictoris d, a third giant planet orbiting the young star Beta Pictoris, 63 ...