The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

After five months of silence, NASA’s Voyager 1 is once again transmitting data from the edge of interstellar space. In an ...

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...

In this curious film, a pair of friends venture out into the desert to build an accurate to scale model of our solar system.

Chrysalis, a 36-mile rotating space habitat, plans to take 2,400 people to Alpha Centauri in approximately 400 years.

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Concentrated hydrogen in the galaxy’s spiral arms can be locked away in zircon crystals, providing startling clues about the ...

There are quite a few other places we might find life in the solar system, including dwarf planets like Ceres. Ceres is ...

X-ray scans reveal rare chemical signatures in asteroid grains that hint at water, organics and the building blocks of life.