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Gravity is one of the fundamental forces shaping life on Earth. It keeps our feet on the ground, holds the atmosphere around the planet and keeps the oceans in place. Yet, surprisingly, gravity is ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Scientists have proposed a new test to hopefully help shed some light on quantum ...

Emergent gravity is a bold idea. It claims that the force of gravity is a mere illusion, more akin to friction or heat—a property that emerges from some deeper physical interaction. This emergent ...

The International Space Station is humanity’s most expensive gym membership. Since the earliest days of human spaceflight, it’s been understood that longer trips away from Earth’s gravity can have a ...

Gravity’s always been my favorite force. I’ve been cheering from the front lines as it’s consistently exceeded expectations, mapping massive globs of invisible matter, bending light to magnify ...

When Albert Einstein introduced his theory of general relativity in 1915, it changed the way we viewed the universe. His gravitational model showed how Newtonian gravity, which had dominated ...

Two black holes, each with accretion disks, are illustrated here just before they collide. The inspiral and merger of binary black holes provided humanity with our first direct measurement of ...