Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

Kepler-452b is the first near-Earth-size planet that orbits around a star the size of the sun, according to Nasa. It is roughly 60% larger than Earth, which gives it a higher chance of being rocky.

"As the large and bright discs are the easiest to observe, our previous view of the birth site of planets was biased." ...

The planets are all too hot for life as we know it, but astronomers haven’t given up searching for more planets in Barnard's ...

Pollard A quartet of Earth-like worlds, each about 20% to 30% the size of our planet, circle one of our closest ... orbiting ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing ...

More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Only the three stars that make up the Alpha Centauri system lie closer to us. The planets newly discovered around Barnard’s Star are much too faint to be seen directly, so how were they found? The ...

Scientists already know that a planet must be in the “Goldilocks zone”—not too hot and not too cold—to have liquid water, a ...

A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South ...