It's a dizzyingly busy time for scientists searching for life on distant planets. To date, astronomers have cataloged more ...

NASA engineers have developed three possible designs for the Habitable Worlds Observatory, a future space telescope intended ...

Astronomers have solved a 170-year-old planetary mystery in a nearby two-star system, discovering that a mysterious wobble ...

Somewhere in the vast expanse of the observable universe, a planet may be orbiting a star 30 light-years away from Earth, ...

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

Space was so much simpler when I was a kid. Back in the 1980s, we still hoped to find habitable planets around every star.

Rubin Observatory has spotted a distant world beyond Pluto as its decade-long survey begins revealing the hidden solar system ...

Rubin Observatory spotted 2026 ED138 between March and July 2026, tracing the path of this possible dwarf planet beyond Pluto ...

In short, a regular planet has enough gravitational pull to clear out the space around it, whereas dwarf planets do not.

Just 16 light-years from Earth, a distance that can be considered a neighbor in the night sky, the binary star system 70 ...