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.

Gladys West, who has died aged 95, was the daughter of poor black farmers who in the 1950s and 1960s was instrumental in ...

West, a mathematician at the U.S. Naval Weapons Laboratory who had a key role in the development of GPS, was almost 90 before ...

The most ambitious attempt to do so was the Dark Energy Survey (DES), an international collaboration that scanned a huge ...

History will remember the day not as the moment Caleb Mutfwang left a party, but as the day Plateau chose a new alignment, loudly, proudly, and with the whole city watching. Call it what it truly was: ...

Gladys Mae West died at 95 after pioneering mathematical models critical to GPS technology, used by billions across the ...

Columnist Natalie Wolchover checks in with particle physicists more than a decade after the field entered a profound crisis.

Chile's Vera Rubin Observatory, boasting the world's largest digital camera, has discovered a mountain-sized asteroid, 2025 ...

As history shows, leadership under tyranny is never safe, never clean, and never lucrative. Hence, anyone waiting for ...

There are historical moments when a power does not act out of strength, but out of panic. Not out of cold calculation, but out of strategic anxiety. The ...

Vertical, convective, thermal energy transport is examined outside the box of microscale turbulent dispersion or unstable air ...

History has a long memory in Jakarta. In 1955, as newly decolonised nations gathered in Bandung, Indonesia placed Palestine ...