Learn how to calculate gravitational forces on a spacecraft from Earth and the Moon! Step-by-step physics tutorial covering force equations, vectors, and practical examples for orbital mechanics.

There's no telling what will gain traction on social media, but one conspiracy theory has gained enough traction for NASA to make a statement.

For weeks, social feeds have been flooded with breathless warnings that Earth will briefly “turn off” gravity for seven ...

Don’t fail to build the line because a small percentage of products will still have to be done the hard way. Reap the ...

High-resolution images may help scientists understand the ‘gravitational scaffolding into which everything else falls and is ...

Explore 13 breathtaking suspension bridges, from the orange towers of San Francisco to the world-record span of Turkey's 1915 ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Television beat Hollywood to the topical punch by several decades, and not through a massive, traditional hit — via a ...

San Antonio could use the Simons' shooting and spacing, and they can offer Boston frontcourt depth and about $27.5 million in savings.

From galaxies to the Sun, new research explains how turbulent motion can produce large-scale magnetic fields that remain ...

'They often do repetitive leaps for fun or communication within the dolphin herd,' an expert said.

Beth de Araújo's "Josephine" took home the U.S. Dramatic Grand Jury Prize at Sundance Film Festival on Friday. The critically ...