A distant exoplanet orbiting a small red dwarf star has emerged as one of the most inflated worlds ever measured around its ...

The world of arbuscular mycorrhizal fungi (AM fungi) runs deep. They live symbiotically with around 70 percent of Earth’s ...

Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant ...

Scientists are stunned by HD 189733b, a blue planet 63 light-years away, resembling Earth but far more hostile. Orbiting its ...

Mercury is due to join Venus and Jupiter in the night sky for an uncommon celestial event commonly known as a planet parade.

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

The market is wrestling with Planet Labs' first-quarter earnings and an equity offering this week, but the company itself ...

New research using NASA's powerful JWST telescope has identified a planet 41 light years away which may have an atmosphere. The planet is within the "habitable zone," the region around a star where ...