Two teams have separately concluded that Uranus is releasing more internal heat than was indicated in observations by Voyager 2. Instead of just reflecting heat from the Sun, it adds some of its own.

Turns out, there’s a lot more floating around the planet Saturn than those famous rings. Space scientists announced last week they’ve discovered Saturn has 128 more moons, for a total of 274, far more ...

And it's a wrap. A little more than two weeks after it touched down on the surface of the Moon, the lander called Blue Ghost ...

The heliosphere, a cosmic bubble formed by the Sun, protects our solar system from interstellar threats and influences life's ...

Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.

Firefly Aerospace on Monday announced the conclusion of its Blue Ghost lunar lander mission, declaring it the first “fully ...

Longest commercial Moon mission using Firefly’s composites-intensive Blue Ghost lander completes more than 346 hours of ...

The James Webb Space Telescope (JWST) has directly imaged four planets orbiting the host star HR 8799 about 130 light-years ...

An international team of astronomers reports the detection of two new brown dwarfs orbiting distant stars using NASA's ...

Science uses careful, organized observations and tests to construct theories that are recorded, passed on to others and built ...

Yet, far from acting in courageous defiance, many scientists and administrators now seem to think that the best response to ...