Astronomers have confirmed that interstellar objects—cosmic bodies originating from other stars—are passing through our solar ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than just dazzling streaks of light as meteors, these ancient fragments are among ...

And tantalizingly, what they found suggests that our solar system may already be flooded with visitors from the star system, which is about 4.25 light years away. These objects range from ...

The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets ... The Sun’s gravity holds all of these objects together, and the gravitational ...

Gregg, a Ph.D. candidate in physics and astronomy, developed a computer model to study our solar system, Alpha Centauri and the interstellar activity—the movement of gas, dust and other space ...

Pluto isn’t the only dwarf planet in our solar system's outer reaches. Now is an ideal time to look for the egg-shaped Haumea, says Abigail Beall ...

Its force of gravity is not strong enough to pull in all the many other objects in its ... than our moon. The solar system contains hundreds of dwarf planets, including Ceres, which can be found ...

Best known for driving demotion of Pluto to dwarf planet, astronomer Mike Brown discusses the next horizons in our solar system, including the ... of new Kuiper Belt Objects.

There is a nonzero chance that somewhere in the nearby solar system is a rock that ... whose gravity would reshape the object’s trajectory. “It all starts with knowing that there’s something ...