The likely site of a new “gas giant planet” up to several times the mass of Jupiter, has been discovered by an international ...

Astronomers now believe the Milky Way’s “inevitable” collision with a neighboring galaxy is much less likely than originally thought.

Astronomers anticipate an unprecedented view of the solar system as the Rubin Observatory begins to scan millions of hidden ...

Earth, dubbed Kepler-725c, has been discovered orbiting within the habitable zone of its host star, offering new ...

Kepler-725c is roughly 2,472 light years from Earth, circling a G9V star in about 207.5 days. Its path brings it into a ...

It’s been 18 years since Pluto’s celestial status was called into question—yet the matter seems far from settled. We asked experts from both sides to make their case. This 2015 NASA image of ...

These 20 "city killer" asteroids, each over 140 metres in size, could potentially be on a future collision course with Earth.

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

If all goes as planned in August, a startup called Starcloud from Redmond, Wash., will load a rocket bound for space with a ...

The images show ultra-fine bright and dark stripes (called striations) in the thin, gaseous layer of the sun's atmosphere ...

A newly detected planet beyond Pluto is not just expanding our understanding of the Solar System, it might be quietly rewriting it. Astronomers from the University of Taiwan recen ...

The company is developing a larger vehicle, named Helios, that could meaningfully improve the ability of SpaceX's Falcon 9 ...