Surprised astronomers said Thursday they have discovered a star with planets in a bizarre order that defies scientific ...

Of the solar system’s planets, Saturn piques the human imagination with its signature rings and impressive moon count of 274.

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

The stock had climbed as much as 1.4% in early trading to $434.51, extending its recent rally and putting a fifth consecutive ...

A global team of astronomers, led by the University of Warwick, have used a European Space Agency (ESA) telescope to discover ...

Their observations of a faint, cool M-dwarf star called LHS 1903 revealed a system with a rocky world at its outer edge. LHS ...

The planets around a nearby star seem to be in the wrong order, hinting that they formed through a different mechanism than the familiar one by which most systems grow ...

A strange planetary system has left scientists baffled - as it appears to be 'inside out'.

The company said it uses 2 kilograms of Americium-241 fuel to generate 50 watts of power for a lunar rover, compared with about 10 kilograms of radioisotope material needed by legacy systems. The ...

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

The time between tracking failure and satellite collision has dropped to days, showing how fragile low Earth orbit has become.