Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...

"The climate of this planet is extreme and nothing like that of Earth. The planet's dayside is so hot that elements typically ...

As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...

His concept was for a space telescope dedicated to detecting extrasolar planets ... expand a little — just enough to simulate an Earth-sized planet crossing a distant star similar to the ...

Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.

Using data from the European Space Agency's Gaia mission, scientists have found a huge exoplanet and a brown dwarf. This is the first time a planet has been uniquely discovered by Gaia's ability to ...

Thus, terrestrial planets can be described as planets that are earth-like in nature, meaning those that are similar ... There are two types of terrestrial planets - solar terrestrial planets and extra ...

WASP-127b's diameter is about 30% larger than Jupiter, our solar system's largest planet. But its mass is only about 16% that of Jupiter, making it one of the least dense - puffiest - planets.