One of the worlds in the TRAPPIST-1 system, a mere 40 light-years away, just might be clad in a life-supporting atmosphere.

The comet is known as 3I-Atlas and is currently 238 million miles from Earth. According to NASA, the comet is expected to ...

A high-precision time measurement system based on the radioactive decay of manganese-53 was used to determine the precise age ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an ...

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun.

A SpaceX Falcon 9 launch on Sept. 23 will send three spacecraft a million miles from Earth to map the heliosphere and expand ...

The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, ...

Record-setting solar flare images show ultra-thin magnetic loops, a discovery that could sharpen predictions of space weather threats.

An interstellar object detected on July 1 by NASA's Asteroid Terrestrial-impact Last Alert System project has sparked debate ...

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

A mystery object tearing towards Earth at break-neck speed has raised fears that aliens are on their way here.

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...