HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

In some ways, a planetary alignment is simply an optical illusion: the planets are still separated by millions or billions of ...

AN ALIEN planet with traces of water and “complex weather patterns like Earth” might be seen like a good contender for a ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

And its oddity has made it a favorite target for study, with astronomers observing clouds there in 2022, making it one of the few detections of clouds on a planet outside our solar system.

ANOTHER, even rarer, ‘planet parade’ is set to grace skies very soon. For one night only, all seven other planets in the ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds up to 33,000 km/h, the winds make up the fastest jet-stream of its kind ever ...