How much weight fluctuation is normal?

Many birds have fabulous plumage to attract mates or send warning messages. Some of the colours in their feathers are produced by microscopic structures on the feather surface that absorb and reflect

After spending over a decade mapping our Milky Way, the European Space Agency’s Gaia satellite is now being put into retirement. The spacecraft has almost depleted its reserves of the cold nitrogen ga

Explorer, writer and photographer Levison Wood talks to Psychology Now group editor Sarah Bankes about the benefits of adversity, and the importance of stepping out of your comfort zone

Reading the city sounds like something a psychogeographer might do, but in a sense we all do it whenever we move around, on foot or on wheels: route, encounter, diversion, disruption. That shop’s re-o

The majority of back pain resists any sort of treatment or diagnosis because it’s an emotional pain, says Dr John Sarno. Cate Montana investigates

DONALD TRUMP WANTS TO SEND A U.S. CREW TO MARS BY THE END OF HIS PRESIDENTIAL TERM, A PLAN SPACEX BOSS ELON MUSK SAID IS ‘ DOABLE .’ ASTRONAUTS NEWSWEEK SPOKE TO QUESTIONED THE TIME FRAME BUT AGREED A FLIGHT TO THE RED PLANET WOULD SOON BE POSSIBLE