Combining with one other previously confirmed planet, one of our closest stellar neighbors now has a family of four.

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere," a team of ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

A new mission concept that would see a fleet of telescopes probing rocky planets in their stars' habitable zones should be ...

The system contains two planets: a super-Earth and a sub-Neptune. TOI-1453 c is 2.2 times the size of Earth but has a mass of only 2.9 Earth masses, making it one of the least dense sub-Neptunes ...

Sub-Neptune planets that are smaller than Neptune in size are the most common type of planet known to exist in the Milky Way, but they are absent from the solar system. They have atmospheres that ...

The record-breaking planet is five times the Earth's size giving us an example of the wonderful variety of planets in the universe. The star-orbiting time for 55 Cancri e takes just 17 hours ...

Boxes got smaller. Contents even more so and the price has risen. No thank you. Supermarket own brands it is. Similar issues size wise but a damn site cheaper!" one person noted. "I've noticed a ...

A combination of the world's most powerful telescopes detected the planets. Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from ...

Under Musk's vision, humans could then land on the Red Planet in 2029, though he admitted 2031 is "more likely." Musk has previously said crewed missions could take place as early as 2028.

“Because of this, these sub-Earth size planets probably don’t have atmospheres, water, and life.” Guinan was not involved in the new study but has previously searched for planets around ...