According to this early data, Jupiter’s equatorial radius was around 44,423 miles (71,492 kilometers), and its polar radius ...

V1298 Tau links swollen young worlds to the compact planets that astronomers keep finding, and its timing signals made that connection measurable. Future transit-timing and atmospheric observations ...

NASA has announced the discovery of an Earth-like planet orbiting a Sun-like star that shares several other similarities with ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

Jupiter’s swirling storms have concealed its true makeup for centuries, but a new model is finally peeling back the clouds.

The Earth-size planet HD 137010 b has a ‘50% chance of residing in the habitable zone’ of its sun-like star, scientists say ...

Astronomers have pulled a frozen, Earth-sized world out of archival data from the retired Kepler Space Telescope, revealing a ...

A unique characteristic of the candidate planet HD 137010b is its ice-cold temperature.

In the 1990s, astronomers confirmed the first planets orbiting stars beyond our sun. Since then, the tally has risen steadily, and last year it crossed a striking milestone: more than 6,000 known ...

In a groundbreaking discovery, Australian astronomers have identified a potential Earth-like planet candidate located approximately 150 light-years away from our home planet. This finding, reported by ...

ORLANDO, Fla. (AP) — President Donald Trump’s crackdown on immigration contributed to a year-to-year drop in the nation’s ...

An atmospheric study reveals unexpected findings about our largest neighboring planet and the structure of its deep atmosphere.