For a world to maintain an atmosphere long enough for life to gain a foothold, it seems it needs to be at least as big as ...
A rocky exoplanet 48 light-years from Earth has offered the 'strongest evidence yet' that other planets besides Earth could ...
The object about 72 light-years away from Earth could be the first satellite discovered outside our solar system.
Astronomers discovered a moon-like object orbiting a brown dwarf that's orbiting a star. Say that three times fast.
Dreams of finding a sort of Earth 2.0 motivate much of the thinking around the search for exoplanets. But there is more to ...
A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.
The Nancy Grace Roman Space Telescope will be the first space telescope to use an “active coronagraph” to block out unwanted ...
The Chandra X-ray Telescope is investigating the habitability of exoplanets. NASA explains. Credit: NASA/CXC/A. Hobart ...
Astronomers are homing in on a distant realm where the lines between star, planet, and moon are blurred. Researchers have ...
Observations made with the European Southern Observatory's Very Large Telescope (ESO's VLT) have revealed evidence for a moon-like object in the CD-35 2722 system. Unlike moons in our solar system, ...
Space on MSN
Astronomers may have discovered the 1st moon outside the solar system — or is it something weirder?
Have astronomers observed the first exomoon, or have they spotted a weird object that could challenge the very concept of planets and moons?
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