Gravitational lensing reveals a very hungry black hole.
Exoplanet details are finally coming to light.
Watch the latest Mars rover hunt for signs of life.
An enormous telescope observes the Universe's oldest light.
NASA's airborne observatory captures views unmatched by ground telescopes.
The search for the intermediate objects between stars and planets.
NASA's newest infrared space telescope is revealing the unseen Universe.
What's stretching space at an ever-faster pace?
Can scientists trace the source of this space radiation?
With a telescope this big, the future is bright for South African astronomy.
The innermost planet like we’ve never seen it before.
How scientists are solving the mystery of the Universe's most powerful explosions.
A revolutionary set of star-seeking telescopes is taking precision to the next level.
What does it take to plot a Universe's worth of space objects?
Most asteroids and comets don't pass anywhere near Earth. Most.
To what lengths do scientists have to go to snare a gravitational wave?
Water once flowed on Mars—perhaps enough to harbor life.
Two technologies to find and describe faraway planets.
The Universe's oldest light is cosmologists' window to the past.
Earth is increasingly vulnerable to the power of solar storms.