Kepler-62f, an Earth-like planet, is considered a possible habitat for life. It might resemble Endor, with lush forests and life-supporting conditions.

Astronomers from MIT, the University of Liège in Belgium, and other institutions have stumbled upon a truly bizarre planet—an ...

Nor were these worlds all small like our inner planets. The most common planets seen by Kepler have a radius between Earth’s and Neptune’s — unlike any planet in the Solar System.

Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than previously expected could ...

Keep your eye on the ball” is a motto for many athletes—and for astronomers trying to find Earth-threatening space rocks ...

Scientists work to define a “habitable zone,” which means that if it’s too close to a star, the water heats and evaporates, and too far, it freezes. Also, the atmospheric conditions need to be just ...

NASA's Pandora mission, launching in fall 2025, will study the atmospheres of over 20 exoplanets, focusing on clouds, hazes, ...

Although the occurrence climaxed on Jan. 21 with a conjunction—close alignment—of Saturn and Mercury, the planetary parade ...