The interstellar object 3I/ATLAS, passing near the Earth, will be at the minimum distance from the planet on Friday, December ...

At perigee – that's the closest point in its trajectory to Earth – 3I/ATLAS will be around 270 million kilometers (168 ...

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

The interstellar comet 3I/ATLAS is making its closest approach to Earth on Dec. 19. Learn about the 'reconnaissance mission' ...

NASA ’s James Webb Space Telescope has found the strongest evidence yet that a small, rocky planet outside our solar system ...

Filmmakers behind 'Stranger Things,' 'Alien: Earth,' 'Task' and 'Hacks' took part in the day of conversations at the DGA. In ...

The fundamental nature of living things challenges assumptions that physicists have held for centuries.

It: Welcome to Derry” episode 8 ends the season perfectly — here are the five best moments from the finale that made me even ...

2025 saw some great genre shows get the axe, and we're still upset about the cancelation of these fun series that ended far ...

Over a month after its perihelion, or closest pass of the Sun, observations still clearly show 3I/ATLAS' "anti-tail." ...

A new glass sponge species is so strange that has been given the name named Advhena magnifica, which means "magnificent alien ...

In a year full of standout shows, io9 picks the very best genre stories to hit the small screen. io9 watched a lot of TV this ...