A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The Trappist-1 system, which hosts seven planets and is located about 40 light years from Earth, is a special one for multiple reasons. "The outer planets behave properly, so to speak, with the ...

This 2018 artist's concept shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets' diameters, masses and distances from the host star (far left).

Thanks to this method, we have discovered many planets in orbit around certain stars. Trappist-1, a red dwarf star located 40 ...

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In 2017, astronomers reported that they'd found a star around which seven exoplanets were orbiting. Although the exoplanets are a bit closer to the star than the planets of the Solar System, the star ...

And where there's water, there's the potential for life, as we know it. This planetary system was first discovered in early 2016, but we now know how rich it is in Earth-sized planets. In fact ...

An curved arrow pointing right. Astronomers at the La Silla Observatory in Chile discovered three planets orbiting a dwarf star called TRAPPIST-1. These planets are much closer to TRAPPIST-1 than ...

TRAPPIST-1 b, the innermost of seven known planets in the TRAPPIST-1 system, orbits its star at a distance of 0.011 AU, completing one circuit in just 1.51 Earth-days. TRAPPIST-1 b is slightly ...

Now, we know of thousands of them, many of which are members of a planetary system, like the well-known TRAPPIST-1 family of ...