NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting within the habitable zone of its star – the range of distances where liquid ...

The gas giant WASP 121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

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

Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

A new map has revealed the devastating impact a nuclear attack would have on the United States, with 75% of the population at ...