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

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

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

NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...

Regulus, a distant star, Venus and our moon will be visible during a conjunction tonight, and how Californians can best see it.

Astronomers predict it will pass relatively close to four planets (but not Earth) and the Sun, then continue its cosmic ...

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star Regulus. Will it return?

Objects like 3I/ATLAS could become the "seeds" of giant planets after being captured in the discs of dust and gas surrounding ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's ...

Scientists have found thousands of planets outside our solar system, called exoplanets, throughout the galaxy. This artist’s ...