Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...

In more than 100 locations, the cold could lead to record low temperatures, with a similar number of record cold high ...

Dangerously cold temperatures were descending into the U.S. as far south as Texas on Tuesday, breaking records in some areas.

An international team of astronomers have been able to probe the atmosphere of an exoplanet like never before. Exoplanet ...