At long last, particles of water–ice have been discovered in the frozen Kuiper Belt of another star. The discovery, made by ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

Mars may experience global auroras on Monday after a solar flare's charged particles reach its atmosphere — and NASA's ...

Planetary alignments occur when multiple planets from our solar system appear together in the night sky. There are four major ...

The White House's 2026 budget request axes NASA's long-held plan to bring Mars samples to Earth for analysis. Here's why that cancellation would be a mistake.