A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

Flybys of primordial black holes may occur once a decade. Tweaks to the orbits of planets and GPS satellites could give away their presence.

A star’s flyby likely altered the orbits of trans-Neptunian objects beyond Neptune that changes how we view the solar ...

Scientists may have found an explanation for the mysterious, eccentric orbits of objects far beyond Neptune in our solar ...

An MIT study suggests that primordial black holes could be dark matter and might cause detectable wobbles in Mars' orbit.

According to a report on Earth.com, a mysterious force has caused the boundaries of our solar system to expand, likely due to a passing star. Astrophysicist Susanne Pfalzner from Forschungszentrum ...

If microscopic black holes born a fraction of a second after the Big Bang exist, then at least one may fly through the solar ...

Scientists say microscopic black holes could explain the elusive "dark matter" that makes up a quarter of all matter in the ...

Astronomers have observed three types of black holes in the universe. Stellar-mass black holes formed from the collapse of a ...

"Surprisingly, many of these so-called trans-Neptunian objects move on eccentric orbits that are inclined relative to the ...

Primordial black holes, formed after the Big Bang, may pass through our solar system once every decade. These tiny black ...

The Advanced Composite Solar Sail System could pave the way for new, ultrafast forms of space travel.