We explore how long it takes to get to Mars and the factors ... "There's no known reason why we cannot do this." How long did previous Mars missions take to reach the Red Planet?

Knowing the incubation period for the most common infections can help you determine when to get tested after exposure ... For others, it can take weeks or months for antibodies to develop.

As an American taxpayer, you’ve likely heard about Social Security your entire working life, and perhaps even bemoaned the amount of taxes that are subtracted from your paycheck. However, as you ...

Viagra (sildenafil) is an oral drug used to treat erectile dysfunction (ED) that starts working within one hour and can last for around four hours. It was the first drug approved for the use of ED, a ...

Tempted to take the plunge and enter your first long-distance triathlon but wondering how long your Ironman training plan needs to be? Here’s some insight from top triathlon coach Mark Kleanthous. To ...

A person's genetic history, or the genetic strain of HIV involved with infection, also affects AIDS progression. Typical, in a window that lasts five to 10 years Rapid, within three to five years Long ...

That early progress is exciting, but it only lasts so long (and probably won't take you up to ... which exercises to do, when to up the intensity, and how much to rest. Get a personalized ...