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

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

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

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

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

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

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