But an international team of astronomers have detected the unmistakable signature of a gas giant planet orbiting the ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

A fluffy, Jupiter-sized planet may be triggering deadly flares from its star, leading to the slow destruction of its own ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...