The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

8 Times When You Should Probably Still Use Cash Australian Warship Fired Tomahawk Cruise Missile A woman who lost 200 pounds by making simple changes shared the 2 key lessons she learned about fat ...

Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

NASA’s Juno mission to Jupiter’s moon Io has provided incredible data. A recent flyby revealed the most powerful volcanic event ever recorded on Io, the most volcanic world in our solar system.

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

While most objects in our solar system orbit the same plane ... Jakub Scholtz: Primordial black hole is a remnant from the Big Bang that came from a very dense region that almost instantly ...

Two new studies show a briny, carbon-rich environment on the parent body of the Bennu asteroid was suitable for assembling ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds up to 33,000 km/h, the winds make up the fastest jet-stream of its kind ever ...

Scientists found 11 minerals in Bennu samples, including calcite, halite, and sylvite, that form when water with dissolved salts evaporates over time, leaving solid crystals. Similar brines have been ...

NASA scientists discovered a plethora of precursors to life on the asteroid Bennu, demonstrating the importance of Earthbound ...