Stations on planet Earth have sent and received messages beamed via laser from NASA’s Psyche spacecraft over 350 million ...

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

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

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

IMAP (short for "Interstellar Mapping and Acceleration Probe") is the primary payload on today's flight. The roughly $600 ...

The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought experiment to it, highlighting everything about it that might align with a hypothetical alien spacecraft.

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

A SpaceX launch early Wednesday morning sent a trio of spacecraft toward a destination almost one million miles from Earth. The missions—two for NASA and one for the National Oceanic and Atmospheric ...

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 ...