Gas might keep the dwarf planet's subsurface ocean from freezing.
The Event Horizon Telescope peered into the Messier 87 galaxy.
Even in space, bureaucracy exists.
It could be something even cooler.
A new study shows us why we may want to rethink how we search for extraterrestrial life.
From the Popular Science archives.
Submarines and rovers will go for a dive on the moons of Jupiter and Saturn
Like, can we even do that?
Another day, another hypothetical object on the outskirts of the solar system.
Scientists aren't just jerking you around—this is about something more than your childhood nostalgia
The moon won't be this close again for another 18 years
What we learned at a space conference that puts inclusivity first
The ocean-filled moon might hold the life we've long searched for in space. And scientists have one shot to reach it.
Short answer: It depends who you ask
Just in case you get lost in the Asteroid Belt
Pluto is just the beginning
So. Many. Things.
Witness history in the making
The former planet is frosted in the stuff
And he thinks the upcoming flyby will prove it
In July, New Horizons crosses the next great frontier in our solar system
Pulled by dual gravity, the egg-shaped satellites tumble like eerie dice
This year's missions to the outer solar system are set to shake up the planetary family tree
Hello, dwarf planet