Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...
Two separate research teams have observed a previously unseen microlensing event, confirming the existence of a particular ...
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Gravitational lensing helps astronomers determine the true mass of a rogue planet
Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift ...
Gravitational microlensing is a transient but powerful phenomenon that occurs when a foreground mass – such as a star or a planetary system – temporarily magnifies the light from a more distant ...
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Astronomers identify a planet that travels through the Milky Way without orbiting the sun
Astronomers have signalled the discovery of a planetary body roaming the Milky Way that is not gravitationally bound to the Sun or any other star. The entity is termed a free-floating planet, a class ...
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