Astronomers have confirmed a giant planet orbiting a tightly bound pair of young stars, marking a first in direct exoplanet imaging. The planet, known as HD 143811 AB b, is the closest-in world ever ...

NASA’s Hubble Space Telescope has unveiled a mesmerizing image of NGC 6369, a planetary nebula known as the “Little Ghost ...

New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

NASA’s ESCAPADE mission launched two small, affordable orbiters to Mars on Blue Origin’s New Glenn rocket. Discover how these ...