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We all are aware of the fact that billions of years ago, there was very little oxygen on Earth to breathe. Scientist of University of California at Riverside (UCR) have researched when in Earth's history oxygen may have abundant. Curious to know how origins of Earth survived?

We all are aware of the fact that billions of years ago, there was very little oxygen on Earth to breathe. Scientist of University of California at Riverside (UCR) have researched when in Earth's history oxygen may have abundant. Curious to know how origins of Earth survived?

A new theory suggests that life on Earth could have started due to an epic clash with another planet. This hypothetical planet is called Theia, and some experts believe that it is also responsible for breaking a portion of the Earth and sending it at full speed into space and eventually becoming our Moon.

The planisphere overlays the night sky in Google Earth with a grid showing you what you can see right now, including the positions of the Sun, Moon and planets (and Pluto too).

The Gateway to Astronaut Photography of Earth hosts the best and most complete online collection of astronaut photographs of the Earth.

The Blue Marble is a famous photograph of the Earth, taken on December 7, 1972, by the crew of the Apollo 17 spacecraft, at a distance of about 45,000 kilometres (28,000 mi).[1]

"we are starting to get a handle on the number of roughly Earth-sized exoplanets that might be suitable for life."

Do you know Robotic missions to Mars have revealed clues about the planet's atmosphere and surface composition? NASA is investing to find and use natural resources beyond Earth. Want to know more about Robotic Mars Mission.

Do you know Robotic missions to Mars have revealed clues about the planet's atmosphere and surface composition? NASA is investing to find and use natural resources beyond Earth. Want to know more about Robotic Mars Mission.

Report on the amount of space debris/garbage orbiting Earth. Report from 2009.

"A search for Earth-like planets around Proxima Centauri"

A large asteroid will impact our planet in 2068, according to research conducted at the State University of St. Petersburg, Russia. It is a rocky body of 370 meters in diameter, discovered more than a decade ago and baptized Apophis 99942.

In our article, we will show you, what the planets of the Solar System would look like from Earth if they were the same distance as the Moon, some 386,000 kilometers.

"The Arch Mission Foundation is a non-profit organization that maintains a billion-year backup of planet Earth."

"The International Space Station (ISS) orbits the earth at over 17,000 mph. See the world from the perspective of its astronauts and discover what's happening on the ground right now."

SpaceEngine - is a free space simulation software that lets you explore the universe in three dimensions, starting from planet Earth to the most distant galaxies. Areas of the known universe are represented using actual astronomical data, while regions uncharted by human astronomy are generated procedurally. Millions of galaxies, trillions of stars, countless planets!

"Astronomy is a natural science that is the study of celestial objects (such as moons, planets, stars, nebulae, and galaxies), the physics, chemistry, and evolution of such objects, and phenomena that originate outside the atmosphere of Earth, including supernovae explosions, gamma ray bursts, and cosmic background radiation."

"The Planetary Habitability Laboratory (PHL) is a research and education virtual laboratory dedicated to studies of the habitability of Earth, the Solar System, and exoplanets. Check the projects link for more details about the scientific projects. There are also links to scientific and educational materials, data and software tools related to planetary science and astrobiology that might be of interest to scientists, students, and the general public. The PHL is managed by the University of Puerto Rico at Arecibo."

Extreme Science is the place online to find the biggest, baddest, and the best in the world of extremes and learn about the science behind what makes each the most extreme example of its kind. Here you'll find world records in natural science, including earth science and the plant and animal kingdom. Not only will you find out who holds the records, but also key science concepts used to explain the story behind the record.

The Tau Zero Foundation is a volunteer group of scientists, engineers, entrepreneurs, and writers who have agreed to work together toward practical interstellar flight and to use this quest to teach you about science, technology, and our place in the universe. By posting the latest developments and unfinished advancements here, we give students the starting materials to begin their own discoveries. By showing both how daunting and incredible this challenge is, we hope to increase attention on protecting the habitability of Earth while planning journeys into the galaxy. By reaching for the stars we will create benefits every step of the way.