It happened today.

Juno departs for Jupiter

Five years of cruising begin, powered by sunlight at a distance where sunlight is scarce.

Curiosity's seven minutes of terror

The sky crane works. A car-sized laboratory stands in Gale Crater.

Rosetta arrives at a comet

After ten years, the first spacecraft to orbit a comet begins mapping 67P's strange double-lobed body.

Parker Solar Probe launches

The fastest human-made object begins a mission that will touch the Sun's corona.

Voyager 2 departs

It launches first, flies slower, and remains the only visitor Uranus and Neptune have ever had.

Voyager 2 meets Neptune

The last portrait of the grand tour: supersonic winds, a great dark spot, and geysers on Triton.

Voyager 1 goes interstellar

The plasma around it changes: for the first time, something human is between the stars.