Scientists directly imaged two embryonic exoplanets 370 light-years away.
It could be something even cooler.
We're under a time crunch.
It defied the odds to discover thousands of planets.
Short answer: Because we changed the definition of the word “planet” to better fit its meaning.
Teaming up to explore the galaxy with an AI assist.
Here are some highlights from its journey
From the Popular Science archives.
InSight is blasting off this week.
High impact research.
Submarines and rovers will go for a dive on the moons of Jupiter and Saturn
You can't see it—but Hubble can.
Naming new worlds is a confusing mess
Future astronauts may depend on it, and a new forecast is about to be put to the test
Why is NASA's longest-serving woman an hourly employee?
NASA's mission to Jupiter is brought to you by: the Sun, from 500 million miles away
This summer, the mission may get funding to travel to a mysterious rock at the edge of the solar system
Scientists are hot on the trail of our solar system's 9th planet
Popular Science goes way back
New Horizons scientist Leslie Young discusses what to expect from the flyby on Tuesday, and the 28-year wait leading up to it
The greatest hits of Earth's unmanned spacecraft
This year's missions to the outer solar system are set to shake up the planetary family tree
What's on the horizon for the New Horizons spacecraft
Don't pack your bags yet