Ten events that would unfold if gravity suddenly vanished, beginning with the effects on our bodies and ending with the ...

Gleise 710, an orange dwarf star about 63 light years away, is on course to pass through the outer reaches of our solar system in about 1.2 million years, disturbing the distant Oort Cloud of icy ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth ...

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS.

What are the weirdest worlds in our solar system, and how did they come to be? From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt. Everest, to the ...

A mind-bending hypothesis is gaining traction among scientists: The universe may be teeming with microscopic black holes the size of an atom, but with the mass of a city-sized asteroid. Created just a ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our Solar System has been well known. It’s responsible for the orbits of the planets and their satellites but there ...