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

Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

Legend has it that somewhere beyond Neptune and Pluto, there is a ninth planet, with a mass that is five times greater than ...

Beyond the asteroid belt lies a realm of giants, rings, and frozen mysteries. This video tours the colossal storms of Jupiter, the graceful rings of Saturn, the sideways tilt of Uranus, and the ...

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

The world’s most advanced deep-space capsule, the Orion, is set to speed astronauts around the Moon, a trek that could ...

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

China scaled fastest and cut costs, the U.S. wrestled with policy volatility but strong capital, and Europe built structure ...

Pluribus Episode 8 reveals the hive mind’s master plan, and it may have started long before the signal from Kepler-22b.

A new paper calculated a solar storm could bring down the planet’s satellite system in just three days, wreaking havoc on ...