Fusion-powered space travel has long held the promise of rapid trips across the solar system : Mars in weeks, Saturn in months, Pluto in years. For decades, s…

Ancient grains in the Murchison meteorite indicate that a powerful magnetic field existed during the solar system's formation, suggesting magnetism played a si…

Researchers found that Ariel, a moon of Uranus, may have once held a subsurface ocean over 100 miles deep, based on data from NASA's Voyager 2. This discovery …

In July 2025, a large, bright cosmic object visited from beyond our solar system . Only the third interstellar object ever discovered, the comet — named 3I/ATL…

For the first time, astronomers have detected radio signals coming directly from a planet outside our solar system , according to a new preprint study . Spoile…

NASA has discovered a new lunar crater named McGetchin, measuring about 27 kilometers in diameter, using images from its Lunar Reconnaissance Orbiter. This fin…