NASA astronauts are returning to Earth after nine months in space. Experts have said a prolonged period in space can come ...

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

NASA astronauts Butch Wilmore and Suni Williams are set to arrive home on SpaceX after spending 9 months on the ISS after ...

NASA’s James Webb Telescope captured direct images of gas giants in HR 8799, revealing their carbon dioxide-rich atmospheres.

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

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

The James Webb Space Telescope captures the first direct images of carbon dioxide in a distant planetary system, HR 8799, ...

NASA's James Webb Space Telescope was recently used to capture direct images of four Saturn-like exoplanets in a solar system 130 light-years away.

The James Webb Space Telescope (JWST) has achieved groundbreaking discoveries in the field of exoplanet studies.

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

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James ...

Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.