Our solar system is probably on the mild side compared with what happens elsewhere. You probably need that mildness in order to have a habitable planet.” The Nice model is a hypothesis ...

DALLASI absolutely love this, it's called an orrery, and it's a little mechanical model of our solar system. You can see the planets here, orbiting the sun as they would do in real life.

Ptolemy’s model and many earlier ideas of the Solar ... Union reclassified it as a ‘dwarf planet’, and our Solar System dropped from having nine planets to eight.

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

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

Now, however, Pluto and that part of the solar system has moved away from the backdrop of the Milky Way into a sparser region of the night sky. With its Hyper Suprime-Cam (HSC), Subaru has discovered ...

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

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

Astronomers have discovered a group of objects beyond the Kuiper Belt, suggesting the existence of a second, more distant belt in our solar system.

SolarEdge is most widely known for its solar inverters and DC power optimizers, but it's also dipped its toes into the home ...

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

Staring at the sun—a close (but safe) look at our home star Staring at the sun ... Free learning activities and videos about the solar system Free learning activities and videos about the ...