Mercury is the smallest planet in the solar system. According to NASA's official website, Mercury is the fastest planet, zipping around the Sun every 88 Earth days. As the closest planet to the Sun, ...

Using NASA’s Spitzer Space Telescope, astronomers have confirmed the discovery of the nearest rocky planet outside our solar system, larger than Earth and a potential gold mine of science data. Dubbed ...

Ageing stars may be destroying the giant planets orbiting closest to them, according to a new study by astronomers at UCL (University College London) and the University of Warwick. Once stars like the ...

A giant planet may be orbiting the nearest Sun-like star to Earth, and the discovery is sparking excitement across the astronomy world. Using the James Webb Space Telescope, researchers have detected ...