The New Horizons spacecraft zooms toward an object 4 billion miles from Earth.
Experiments in Chile’s Atacama Desert point to a potential method of transportation for microbes on Mars—whether they exist there already, or we introduce them.
The LIGO and Virgo observatories appear to have picked up gravitational waves from a first-of-its-kind astronomical observation.
Learn more about Pluto and its moon, Charon.
Getting to know Neptune, the outer-most planet.
With the right kind of care, plenty of plants actually do just fine in microgravity.
Uranus is more than just the tilted planet in our solar system.
A computer simulation suggests that a massive collision may have caused Jupiter’s core to shatter into a gassy, borderless cloud.