New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

Staring up at the night sky, you might see thousands of stars sprinkled above the horizon. It feels as though you can see so ...

Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest ...

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

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

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

Abundance of Earth-like Exoplanets The universe has no shortage of similarities to Earth when it comes to celestial ...

Thirty years after the discovery of the first exoplanet, we detected more than 7000 of them in our Galaxy. But there are ...

Is the universe flat and infinite, or something more complex? We can’t say for sure, but a new search strategy is mapping out ...

Helium can help scientists detect the speed and direction at which we’re moving through space. Deuterium, which is left over ...

Young supernovas could have spread water out into the cosmos, causing planet formations earlier than originally thought.

The extreme supersonic winds of WASP-127b are more than 60 times faster than the fastest winds ever observed on Earth ...