In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds silently loop around their stars. Some drift as far as 10,000 times the distance ...

That may be about to change: NASA is preparing a brand new mission that will travel 1 million miles away from Earth in order to map the boundaries of the heliosphere, offering clues to scientists ...

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, Saturn, Uranus, and Neptune? This is what a recent study presented at the 56th ...

In a new study, researchers from Penn State and NASA’s Jet Propulsion Laboratory analyzed human deep space communications and found that human transmissions are frequently directed toward our own ...

The observations expand the range of environments where habitable worlds might emerge. Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most ...

In April, scientists captured global attention by announcing they’d found a molecule in a faraway planet’s atmosphere that could signal life there. But a new analysis by University of Chicago ...

Aug. 7 (UPI) --NASA's James Webb Space Telescope has discovered evidence of a giant planet orbiting a star in the solar system closest to Earth, the administration announced Thursday. The Alpha ...

A groundbreaking discovery was recently made about the largest comet ever observed hurtling toward the sun from the Oort Cloud in the outer reaches of our solar system. Astronomers recently got a ...

"Considering the direction and frequency of our most common signals gives insights into where we should be looking to improve our chances of detecting alien technosignatures." Scientists have taken a ...