A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

One example of this is when there is a binary star system that is orbited by a large planet that travels along a polar path ...

At long last, particles of water–ice have been discovered in the frozen Kuiper Belt of another star. The discovery, made by ...

At the very edge of our solar system, beyond the grasp of Neptune and even past the icy sprawl of Pluto’s domain, a new ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

After two decades of debate, research confirms that an odd binary star system has an equally odd planetary companion ...

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural ...

We tend to think of habitability in terms of individual planets and their potential to host life. But barring outliers like ...

The fundamental building blocks for planet formation can exist even in environments with extreme ultraviolet radiation, according to a new study.

He called their new technique "a remarkable leap forward for astronomy, and [it] opens up lightyears of new possibilities for future discoveries." "By uncovering the youngest planets, exoALMA is ...