Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

Astronomers have discovered an exoplanet ... TOI-1453 b is a rocky planet orbiting close to its star, while TOI-1453 c is twice Earth’s size and may have a... Astronomers have uncovered extreme ...

What is so spectacular about this Martian aurora discovery, considering that scientists have captured and reported several ...

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

Vast, quasi-circular features on Venus's surface may reveal that the planet has ongoing tectonics, according to new research ...

Astronomers believe that Planet Nine could be 5-7 times the size of Earth and situated more than 200 times farther from the sun than our planet. It is believed to orbit the Sun in 10,000 to 20,000 ...

A new study reveals that less than 0.001% of the deep seafloor has been visually recorded, exposing major gaps in ocean ...

A failed Soviet spacecraft that was mistakenly trapped in Earth orbit more than 50 years ago is expected to finally crash ...

This week, an old astronomical controversy is renewed as researchers present new evidence for a hidden "Planet X" in our solar system.

Neptune, TOI-270 d provides a critical opportunity to understand atmospheric composition and planetary evolution in a ...