Pluto isn’t the only dwarf planet in our solar system's outer reaches. Now is an ideal time to look for the egg-shaped Haumea ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system. Interstellar material has been found within our solar system, but ...

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

On this scale a circle two and a half miles in diameter would include all the members of our solar system; but on this scale the nearest fixed stars would be nearly as distant as is our moon.

2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... Mar. 13, 2025 — Water once existed ...

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

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering mystery about how distant planets form, researchers said.

Here’s how it works. Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but are unlike any in our own solar system. The two exoplanets ...