Under such scenarios, Mercury frequently crashes into the Sun or Venus, setting off cascading changes that alter the orbits ...

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, ...

The Search for Extraterrestrial Intelligence (SETI) recently detected a mysterious signal originating from Proxima Centauri, the closest star system to our own. This discovery has sparked worldwide ...

Scientists use the Webb Telescope to explore Alpha Centauri, our nearest star system, searching for exoplanets. Discover how ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Even within our own solar system, distances are enormous. NASA astrophysicist Dr. Amber Straughn explains that driving a car ...

Epirus' Leonidas system can freeze swarms of drones in the sky 'like a Star Trek shield,' founder says Animation shows traditional counter-drone technology vs. Epirus' Leonidas system that can ...

Each disk of icy, rocky debris surrounds a young star (blocked out here). Many disks have inner “holes” likely carved out by newly formed planets. These disks resemble our solar system’s ...

An initial sum of $25bn (£18.7bn) has been earmarked in a new budget bill - although the government has estimated it will end up costing much more than that over decades. Officials warn that ...

Researchers found that a tidally locked planet like our nearest neighbor Proxima b could produce significant lightning storms ...

The Justice Secretary warned of having to make “stark choices” in relation to prison reform to ensure a criminal justice system “worthy of the name”, it has been reported. Plans for long ...

This illustration, taken from an animation produced for the European Southern Observatory, shows a binary star system. Credit: ESO/spaceengine.org Apples-to-apples comparisons in the distant ...