Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

In a bold step toward sustainable space travel, scientists are engineering a radically small, protein-rich rice that can grow ...

Scientists want to study a distant world in the solar system that is classified as a dwarf planet. But some experts think it ...

Methuselah, located 12,400 light years away in the constellation Scorpio, is one of the most ancient exoplanets ever ...

When most people think of our Solar System, they think of the 8 planets officially recognized by the International Astronomical Union (IAU). But what if I told you there are at least 40 planets, and ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Moon-Rice project develops super-dwarf, protein-rich rice varieties for space missions and extreme Earth environments.

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

A mobile app lets citizen scientists flag anomalies in space that are hard for computers to detect.

Some exoplanets in their stars' habitable zones may be distinctly uninhabitable due to solar flaring. Red dwarfs are known for powerful flaring, and since they're dim and their habitable zones are ...

Sedna, a distant dwarf planet three-quarters the size of Pluto, is inching toward the brightest star in our sky — and in 2076 ...

Astronomers identified Krypton’s likely location 42 light-years from Earth. Here’s how long Superman’s journey would take, ...