The Event Horizon Telescope peered into the Messier 87 galaxy.
Visiting the most distant object ever.
It's time to meet 2014 MU69.
MU69 is far from your run-of-the-mill solar system object.
We're under a time crunch.
From the Popular Science archives.
A good week for space photography
Small, but mighty.
There's still more to explore after Pluto.
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
Like icebergs in the Arctic Ocean
Bringing snark to Mars
A total eclipse of the heart
The New Horizons flyby is over, but now the real fun begins
Can you feel the love?
It's been 50 years since we got the first images of Mars. Now we're about to get the first images of Pluto.
This year's missions to the outer solar system are set to shake up the planetary family tree
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
After nine years and three billion miles, here's what we're learning from it all
Witness history in the making
Short answer: It depends who you ask
The first color movies from New Horizons show Pluto and Charon in a weird waltz
New Horizons scientist Leslie Young discusses what to expect from the flyby on Tuesday, and the 28-year wait leading up to it