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

NASA has explored the space beyond Earth and our solar system with spacecraft like Voyagers 1 and 2, and how we’ve discovered ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

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

A new object that is believed to be from beyond the solar system has been seen by scientists, according to astronomers. It ...

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

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

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