A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...

Defy gravity with out-of-this-world space trivia collected from the National Aeronautics and Space Administration ...

Previously, scientists discovered that a Neptune-sized planet is in a very close orbit around the white dwarf ... initially ...

When Rick Accomazzo and Tobin Sorenson emerged from the icy north face of Les Drus into the sunlight, the young men became ...

For decades, something strange has lurked inside the icy giants of our solar system. Uranus and Neptune, distant blue worlds ...

Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could all be visible with clear skies, but not all can be seen by the ...

On March 1, NASA's Europa Clipper will streak just 550 miles (884 kilometers) above the surface of Mars for what's known as a gravity assist—a maneuver to bend the spacecraft's trajectory and ...

They will undergo an extensive rehabilitation program to readapt to gravity, addressing physiological changes from their prolonged stay in space. Astronauts who spend extended periods in space ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, Mercury will join the fun, with all seven of our planetary neighbors visible ...

Gravity could feel like a punishing force as Sunita Williams and Butch Wilmore’s bodies readapt to life on earth. Stranded astronauts Sunita Williams and Butch Wilmore are expected to return to ...