Discover why the solar system's planets are arranged as they are, shaped by formation conditions and planetary migration.

The United States has withdrawn from the International Solar Alliance. This move could impact the agency's aim to attract solar investments. The US departure is part of a broader policy shift. The ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Astronomers have cataloged thousands of exoplanets, and a pattern keeps showing up: Around most stars, the most common ...

2025 MN45 isn't the overall spin-rate record holder. Astronomers have found a number of small asteroids — those just a few ...

A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

Across the Milky Way, planets slightly larger than Earth but smaller than Neptune appear around most stars. Yet our own solar ...

The launch window for a small satellite developed in partnership with Lawrence Livermore National Laboratory (LLNL) opened this week at Vandenberg Space Force Base in Santa Barbara County.

By every measure, shifting from fossil fuels to electrification, renewables, and energy efficiency and conservation is far ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting our first ones, we have been presented with an odd mystery.

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...