Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come ...

Its mass is estimated to be comparable to Earth’s — only about 30 percent higher — and it appears to orbit Proxima Centauri at roughly the right distance for liquid water to exist on its ...

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha Centauri's location and path are shown by a yellow star and a solid blue line ...

In 2016, astronomers found a planet orbiting the nearest star to Earth in this system, called Proxima Centauri ... traces of three more exoplanets in orbit around the same star.

Alpha Centauri A and B orbit each other at a distance like the Sun and Uranus, while Proxima Centauri is very much on the ...

The closest star to Earth, Proxima Centauri (PC), is still about 8000 times further away from us than Pluto. Propelling a ...

Here are some pics of most earth-like exoplanets uploaded by NASA: Gliese 667Cc, 22 light-years from Earth, is 4.5 times Earth's mass, orbits its cooler red dwarf star in 28 days, and likely resides ...

Scientists work to define a “habitable zone,” which means that if it’s too close to a star, the water heats and evaporates, and too far, it freezes. Also, the atmospheric conditions need to be just ...

Proxima Centauri. This video gives an overview of the solar system, describing the collection of objects that orbit around the sun, our star. As well as naming the planets and their relative order ...