The idea sounds like pure science fiction: a giant cannon that hurls satellites toward orbit at 28,400 km/h, using raw kinetic energy instead of towering rockets. Yet a new generation of space ...

Discover a fast and powerful calculus-based method for finding square roots with impressive accuracy. This explanation shows how derivatives and iterative approximation can be used to quickly zero in ...

Roxana's Sean Maberry (23) takes the ball to the rim on a drive against Staunton's Lucas Dillon during a Hoopsgiving Classic game Nov. 25 at Milazzo Gym in Roxana. Roxana's Sean Maberry gets outside ...

Virat Kohli's top run in the ODI series against South Africa has made things very interesting for the Indian cricket team. India will play only a handful of ODIs before the T20 season starts. A prime ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Amy is an ACA and the CEO and founder of OnPoint Learning, a financial training company delivering training to ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Paying off debts is one of the most important steps in improving your financial life. How you approach it, though, comes down to your personality. If you're someone who needs a quick win right off the ...

What is a hermit crab? There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species, called ...

Holdings from the library at the Goddard Space Flight Center, which includes unique documents from the early 20th century to the Soviet space race, will be warehoused or thrown out. By Eric Niiler Our ...