The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view of this peculiar planet’s rings in more than 30 years,” according to ...

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 ...

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

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 ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Legend has it that Isaac Newton had the moment of inspiration that would lead to his theory of gravity when, on a warm afternoon, he saw an apple fall from a tree and wondered why it should fall ...

These distant objects orbit the Sun at distances comparable to, or even far beyond, Neptune’s orbit. The idea that a population of such objects existed was first proposed in the 1950s by Kenneth ...

This background galaxy is 4.42 billion light-years away, and its light has been distorted by gravity on its way to us. The far-away galaxy hasn’t been observed before and doesn’t yet have a name. To ...

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 ...