New simulations suggest Uranus and Neptune may contain far more rock than ice, offering fresh explanations for their unusual ...

Currently, only about 1% of stars host giant planets or brown dwarfs that our telescopes can photograph directly. This ...

A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

CAPE CANAVERAL SPACE FORCE STATION — NASA and Blue Origin are planning to launch the ESCAPADE mission, where a pair of satellites will study Mars' magnetosphere. ESCAPADE will eventually help future ...

For decades, scientists have believed that Uranus and Neptune are “ice giants,” planets made mostly of icy materials like ...

What really happened inside Osama Bin Laden's compound the night of the raid? In this episode, we break down the events of ...

A major new study lays out plans for crewed missions to Mars, with the search for extraterrestrial life being a top priority ...

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth.

Astronomers using the Subaru Telescope discover an exoplanet and a brown dwarf, offering new insights and a key target for NASA’s upcoming Roman Telescope ...

I ATLAS interstellar comet brightens in new NASA and ESA images, revealing an active visitor and rare clues about other star ...