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

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 distant planet Neptune stands still against the background stars of Pisces in the early-morning sky, still visible close ...

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 ...

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

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

The bold question-askers at What If reveal what makes Neptune’s atmosphere so wildly unforgiving. Trump Burger's Kemah ...

An object that appears to be from beyond our Solar System has been spotted hurtling towards the Sun, which if confirmed would ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...