Does a flying drone change the weight of a sealed container? Explore Newton's laws of motion and the principle of conservation of momentum to understand how internal thrust affects total mass.

Shares of Genie Energy Ltd. GNE have slipped 0.4% since reporting third-quarter 2025 results on Nov. 3, 2025, underperforming ...

THE FIGHT BEGINS with space. Marcus Kowal takes two steps back to the edge of the jiu-jitsu mat, and then one step toward his opponent. It's the jiu-jitsu equivalent of throat-clearing before a big ...

Alphabet’s CEO, which reported its first-ever quarter to see revenue top $100 billion, provided updates to a wide range of ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

Math and physics explain the anguish of a golf ball that zings around the rim of the hole instead of falling in.

To say that Wall Street has dismissed PayPal ( PYPL +0.43%) would be an understatement. Even after a recent post-earnings pop ...

From Mario Kart World to Cyberpunk 2077, these are the best Nintendo Switch 2 games you need to have in your collection ...