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 ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

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 ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

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

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

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 ... TOI-1453: Sub-Neptune in System of ...

A trip to planets outside our solar system could tell scientists a lot — even if no extraterrestrial life is found ...

Astronomers finally spotted evidence of auroras on Neptune after years of searching, raising new questions about the planet.

Each of the planets, labeled b, c, d, and e, has a mass between 20% and 30% of Earth's, making them among the smallest yet ...

Even gargantuan Jupiter, with its whirling superstorms and volatile temperatures, has a soft side. A team of researchers ...