Earth will be destroyed when our sun dies - around 5 billion years from now, suggests new research. The study by astronomers from the University of St Andrews in Scotland gives fresh insight into what ...

As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...

About 1,113 light years away from Earth, locked in orbit around a single star, there are two planets that appear to be the ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

NASA's Transiting Exoplanet Survey Satellite or TESS has found what NASA calls the two "puffiest" worlds ever found. While they're as big as our gas giants, they're so light and airy that their ...

Far beyond Neptune, strange patterns in the Kuiper Belt suggest something massive may be hiding in darkness. This story ...

The two so-called super-puffs are the size of Jupiter, the biggest worlds found so far to have less density than cotton candy ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

Have you ever been out at night and seen a streak of light blast across the sky and disappear? Ever wonder where that ...

Mercury is due to join Venus and Jupiter in the night sky for an uncommon celestial event commonly known as a planet parade. Here's how to catch it.

What is Planet Nine, and where is it? The question has fascinated astronomers for years. Scientists believe a massive undiscovered planet may exist in the outer Solar System. Although no telescope has ...

"Orbital dynamics allows you to start to think about all those fun, different aspects of what makes our planet habitable, and ask how normal it is to have a habitable planet." ...