Are We Alone in the Universe? The Surprising Probability of Alien Life In this short video, we learn about the mind-blowing number of potential Earth-sized planets that may exist in the universe. According to recent studies, on average, every star has at least one planet, and one-fifth of those have Earth-sized planets. With approximately 100 billion stars in our Milky Way galaxy alone, this means there could be billions of Earth-like planets in our galaxy. And when you consider the 100 billion

Go NASA's Hubble Space Telescope. It’s your birthday. ✨ This Friday marks 30 years of stunning imagery and ground breaking discoveries for the one-of-a-kind orbiting telescope. Join us in observing #Hubble30 by sharing your favorite galactic image! https://go.nasa.gov/3aoSMxH | NASA - National Aeronautics and Space Administration

The Hubble Space Telescope is well known for its picturesque views of nebulae and galaxies, but it’s also useful for studying our own planets, including Mars. Hubble snapped a close-up of the Red Planet ahead of its opposition on May 22. That means that the sun and mars will be on exact opposite sides of the Earth. Hubble’s view reveals Mars as a dynamic seasonal planet with bright, frosty polar caps and clouds above a vivid, rust-colored landscape. Details: http://go.nasa.gov/1TjWUVV | NASA - N