Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

On February 14, 1990, NASA's Voyager 1 spacecraft took the first family portrait of the solar system! [‘On This Day in Space’ ...

The outer solar system begins where sunlight fades and distances stretch beyond everyday comprehension. This journey traces ...

"This is a crucial step towards characterizing giant planets beyond our solar system." ...

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers ...

Mercury, Venus, Jupiter, and Saturn—will be visible to the naked eye. Uranus and Neptune, being much farther away, will ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

6 planets will align in a 'planet parade' Saturday, Feb. 28, 2026, shortly after sunset. Here's which planets you might see and how to best view them.

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

Now, thanks to the James Webb Space Telescope (JWST), researchers have mapped the planet’s auroras in 3D for the first time.

The planet's lopsided magnetic field is twisting the light shows.

Uranus is the seventh planet from the Sun and an ice giant known for its striking blue-green color, caused by methane in its atmosphere. It rotates on its side with a 98-degree tilt, creating extreme ...