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

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 ...

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

Have you ever wondered how far Jupiter is from Mars or Venus from Earth? Our handy calculator makes it easy to find out! All distances are average and ...

Take a tour of the space volcanoes on other planets and moons across the Solar System, and find out how they differ from ...

A twisting, whirling streamer of plasma escaping the sun in the aftermath of a coronal mass ejection (CME) has been captured ...

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 — Astronomers have ...

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 ...

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

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

Long-Sought Auroral Glow Finally Emerges Under Webb’s Powerful Gaze Neptune lies in the cold, dark reaches of the outer edges ...