A new study of grain samples from asteroid Ryugu shows that an ancient magnetic field helped form asteroids and planets in the early outer solar system.
Join us at 12:15 CST (18:15 UTC) on Monday, November 11, when former NASA chief Alan Stern will be discussing the Fermi Paradox. Where are all the aliens?
Scientists think the giant exoplanet J1407b has a massive ring system much larger than Saturn's. A new study suggests the rings may orbit the planet backward.
Where are the giant craters on Venus? Huge concentric rings in the Haasttse-baad Tessera region may be the result of two back-to-back asteroid impacts.
NASA's Perseverance rover has found some intriguing green spots in rocks on Mars. The spots are dark in the middle with fuzzy, green rims. How did they form?