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2 trillion: New estimate for # of galaxies in the universe, up from longstanding estimate of 120 billion

An artist’s illustration of an exoplanet orbiting a hot star. Few planets have been found to orbit hot main-sequence A stars, but a recent discovery illustrates a new way to find such planets orbiting further out in the stars’ habitable zones. NASA, ESA, and G. Bacon (STScI)

from NASA

Image of the Day Gallery brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind.

from WIRED

Inside Nat Geo’s Incredible Documentary Mission to Mars

The new series, Mars, mixes documentary and speculation to tell the parallel stories of fictional future explorers and the pioneers of today.


Pterodactyl fossil. Have you ever really wondered in what way an extinct animal or bird is a proof of evolution? What about those who didn't go extinct and still roam the Earth today essentially unchanged?


An Exoplanet With Huge Rings Intrigues


The Entire World Needs To Hear This , Important Message For The World Fr...

from Scleroderma News

Scleroderma Study Identifies Risk Factors for Developing PAH

Scleroderma Study Identifies Risk Factors for PAH Development #SclerodermaNewsToday