A team of astronomers poring through old astronomical data may have seen a candidate for the elusive Planet Nine – a ...

An international team used 40 years' worth of data from two space probes to track down what they believe are signs of this ...

Vesta, one of the two largest bodies in our solar system's asteroid belt, has long been thought to be more than just another ...

When people believe that we have found life on other planets when we have not, we've lost more than public trust — we've lost ...

The scientists also observed that ice and gas giants like Uranus may be natural laboratories for learning about atmospheres. This absence of solid ground means that cloud formation, storm development, ...

"There’s a high probability that if you want to think about the most hospitable place where you want life to be outside the ...

NASA had a rare opportunity to study Uranus’ atmosphere and rings when the ice giant passed between Earth and a distant star, ...

For decades, scientists believed Vesta, one of the largest objects in our solar system's asteroid belt, wasn't just an asteroid and eventually concluded it was more like a planet with a crust, mantle ...

NASA researchers got a rare chance to study Uranus' atmosphere and rings this month, when the ice giant passed between Earth ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

Astronomers from MIT have uncovered a dramatic celestial spectacle: a Mercury-sized exoplanet that is rapidly disintegrating ...

The Hubble Space Telescope has been one of NASA's most successful flagship missions, recently celebrating 35 years in space.