Small Magellanic Cloud: A Satellite Dwarf Galaxy Neighbor By Nola Taylor Redd For hundreds of years the Small Magellanic Cloud has provided astronomers with a relatively close-up view of another galaxy.
Black Dwarf Stars: The (Theoretical) End of Stellar Evolution By Nola Taylor Redd A black dwarf is all that is left after a white dwarf star burns off all of its heat, but retains its mass.
Richard Branson Biography: Entrepreneur of Space Tourism By Elizabeth Howell Richard Branson, through his company Virgin Galactic, plans to offer flights into space for paying customers by 2015.
What Is Parallax? By Jim Lucas Parallax is a method of measuring the distance to nearby objects in space. It is also a method used to display 3D images.
Voyager 2: Sailing Among Giant Planets By Elizabeth Howell Voyager 2 is the only spacecraft to have visited all four giant outer planets in the solar system and is now the second spacecraft to reach interstellar space.
Perseids: Bright Meteor Shower in August By Elizabeth Howell The Perseids meteor shower arises out of the debris of Comet Swift-Tuttle, which last made a pass by Earth in 1992.
Orionid Meteor Shower: Leftovers of Halley's Comet By Elizabeth Howell The Orionid meteor shower, made up of remnants of Halley's Comet, peaks in mid-October.
Quadrantid Meteor Shower: Odd in Several Ways By Elizabeth Howell The Quadrantids are a meteor shower in January that peak for only about six hours, are named for a constellation that no longer exists and come from an asteroid rather than a comet.
Kepler Space Telescope: The Original Exoplanet Hunter By Elizabeth Howell NASA's Kepler Space Telescope was revolutionary space telescope dedicated to finding planets outside our solar system.
What Is Solar Mass? By Marcus Woo How would you measure the masses of objects as big as stars, galaxies and black holes? With solar mass. And you can thank Sir Isaac Newton for that.
What Are Meteorites? By Adam Mann When you wish upon a star, you're watching space debris fall to Earth.
Large Magellanic Cloud: Nearby Satellite Dwarf Galaxy By Elizabeth Howell The Large Magellanic Cloud (LMC) is a satellite dwarf galaxy that is among the closest galaxies to Earth.
Nibiru: The Nonexistent Planet By Nola Taylor Redd Nibiru has been linked to NASA, and is also sometimes referred to or confused with Planet X, another supposed world for which there is no evidence.
NASA's Ionospheric Connection Explorer (ICON): Exploring Earth's Ionosphere By Adam Mann NASA's Ionospheric Connection Explorer (ICON) is primed to investigate the ionosphere's mysteries.
InSight Lander: Probing the Martian Interior By Elizabeth Howell NASA's next lander, InSight, will study the interior structure of Mars for signs of tectonic activity.
What Is a Spiral Galaxy? By Nola Taylor Redd A spiral galaxy has a distinct winding shape. Most of the galaxies observed by astronomers are spiral galaxies.
