Astronomers have identified a half dozen exoplanets that may be made of an exotic form of matter unknown on Earth.
In the most extreme regions of the universe, galaxies are being killed. Their star formation is being shut down and astronomers want to know why.
Feel like going for a spin around Mars? A new video shows a 3D view of where the European-Russian ExoMars rover will land, in a region that was likely filled with water billions of years ago.
Space doesn't just allow us to appreciate Earth, it also allows scientists to better study and understand climate change.
If you could journey through the cosmos' most monstrous objects, what tales — if any — would you be able to tell?
We could get an up-close look at our solar system's latest interstellar interloper a quarter century from now if we so desired, a new study suggests.
Japan's asteroid-exploring spacecraft has practiced its last task before heading home — and it made a nifty image as well.
China's lunar exploration program has released images that give us a glimpse of the mysterious material discovered on the far side of the moon.
On Friday (Sept. 20), students around the world will walk out of their classrooms and gather in coordinated protests to highlight the global crisis created by climate change.
Even as its orbiter settles into work, India's hopes of resurrecting its moon lander are quickly evaporating as the country marks two weeks from its attempt to softly touch down on the lunar surface.
Consider the possibility that an asteroid may have transformed the picture of life on Earth — but forget the dinosaurs and the massive crater, and rewind an extra 400 million years.
By 2024, NASA plans to land the next two people on the moon, including the first woman who will ever walk on the lunar surface.
NASA’s Lunar Reconnaissance Orbiter (LRO) has reportedly failed to spot India’s Chandrayaan-2 lunar lander, which apparently crashed during its Sept. 6 touchdown attempt.
Today (Sept. 18) a unique airborne space observatory will perform its first scientific flight over Europe.
A new study suggests that Enceladus' geysers act as a 'snow-cannon,' making nearby moons snowy and reflective.
Don't panic, this isn't a massive hole on Jupiter. All is well on our largest neighbor; NASA's Juno spacecraft just managed to spot the shadow of its moon Io passing over its marbled clouds.
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