Potentially habitable exoplanets are so incredibly common that astronomers have started to consider more unusual situations ...

When you look up in the night sky, our moon is unmissable.Just like Earth, it's round and has a solid, rocky surface. But is ...

Astronomers are on the hunt for a mysterious ninth planet, known as Planet Nine, which could change our understanding of the solar system. Is this hidden world real, or just a myth?

Astronomers are searching for a potential ninth planet, known as Planet Nine, which could reshape our understanding of ...

A so-called “planet parade,” when multiple planets appear in the night sky at the same time, is underway and will march ...

Called Kepler-51, the Sun-like yellow dwarf star was found in 2012 to have three exoplanets in its orbit; each, it would turn ...

"We must rethink how we create computer models for planet formation and early evolution in the young universe." ...

In billions of years, our Sun will expand into a red giant, likely engulfing Earth before shrinking into a white dwarf—a dense, glowing stellar remnant. While this process destroys most planets ...

Using data from NASA's now-defunct Dawn spacecraft, scientists have discovered that the dwarf planet Ceres, the second wettest body in the solar system after Earth, could have an interior reserve ...