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On Feb. 13th at 1738 UT, sunspot 1158 unleashed the strongest solar flare of the year so far, an M6.6-category X-ray irradiance magnitude blast. NASA's Solar Dynamics Observatory recorded an intense flash of extreme ultraviolet radiation. The source of th

Space Weather: Sunspots, Solar Flares & Coronal Mass Ejections

Mars’ dust storms are the largest in the solar system, capable of blanketing the red planet for months.

Mars, Facts And Information About The Planet Mars

Manipulating an orbiting asteroid would require more effort than was employed to develop the first nuclear bomb during the Manhattan Project.

Asteroids: Formation, Discovery And Exploration

NASA's Dawn spacecraft obtained this image on its approach to the protoplanet Vesta, the second-most massive object in the main asteroid belt. The image was obtained on June 20, 2011.

Vesta Asteroid, Second Largest In The Asteroid Belt, Formation And Facts

The Sun’s atmosphere can fling out streams of high-energy particles called solar flares. The charged particles can disrupt communication & satellite technology. Solar flares can release untold amounts of energy.

The Sun: Formation, Facts And Characteristics

A white dwarf occurs when a star expels most of its outer layers to leave a hot core. Scientists discovered that a white dwarf is composed of crystallized carbon

Stars: Formation, Classification And Constellations

Solar System at Space.com: Explore Solar System Articles, Features and Images

Our Solar System: Facts, Formation And Discovery

Douglas Wheelock takes a picture of the moon.

Earth’s Moon: Formation, Composition And Orbit

The image of Earth in space like a blue marble highlighted the planets fragility and the beauty of Earth.

Earth: History, Composition And Atmosphere

Comets from the Leonids meteor shower typically burn up and disintegrate before reaching the ground due to the small size of the meteorites.

Comets: Formation, Discovery And Exploration

Space-based imaging allowed for visual exploration of space as never before such as exploding stars, colliding galaxies, black holes and more became visible in numerous wavelengths of the electromagnetic spectrum above Earth’s atmosphere.

The Expanding Universe: From The Big Bang To Today

Saturn’s famous rings are spectacular. The most recently discovered ring is at least 200 times the diameter of the planet and could fit one billion Earths.

Saturn, The Solar System's Major Ring Bearer

Uranus’ tilt essentially has the planet orbiting the Sun on its side, the axis of its spin is nearly pointing at the Sun.

Uranus, Seventh Planet In Earth’s Solar System Was First Discovered Planet

Venus’ atmosphere traps heat from the Sun as an extreme version of the greenhouse effect that warms Earth. The temperature on Venus are hot enough to melt lead.

Venus, Second Planet From The Sun, Brightest Planet In Solar System

Hubble’s discovery of two new moons of Pluto, mapping seasonal changes to Pluto’s surface. Hubble discovered that Eris is 27 percent more massive than Pluto helped demote Pluto to dwarf planet status.

Pluto, The Ninth Planet That Was A Dwarf

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