"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly advanced technological civilization," Harvard's Avi Loeb writes.

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

An exoplanet is any planet beyond our solar system. Most of them orbit other stars, but some free-floating exoplanets, called ...

Not all planets are lucky enough to orbit a star. Some are cast adrift into the cold, dark depths of space completely alone. These mysterious objects are known as rogue planets, and they challenge ...

Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

Satellites that retire are deorbited into a graveyard orbit within 25 years of their missions ending. This is the case with ...

A new study lends support to the notion that JuMBOs (Jupiter-mass binary objects) discovered by the James Webb Space ...

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.

NASA has made a new out of this world discovery. NASA's James Webb Space Telescope recently captured evidence of a new planet beyond our solar system.

A recent study in Icarus suggests a wandering star could disrupt our solar system. Simulations reveal that a star passing ...

Mercury, for instance, is already the wild card of the inner planets. Its orbit grows more eccentric over time, increasing the chance it could crash into Venus or fall into the Sun. With a rogue ...