2014 MU69: Arrokoth, the most distant object ever explored By Nola Taylor Redd New Horizons' historic flyby of the KBO 2014 MU69, also known as Arrokoth, has revealed incredible insights about the birth of the solar system.
Was there a bang at the end of the universe? By All About Space magazine, Colin Stuart Space mysteries: How gravitational waves could explain how our universe began when another one ended.
Spacewalks: How they work and major milestones By Paola Rosa-Aquino Spacewalks were indispensable for assembling the International Space Station. Today, they remain a crucial component for the space station's continued maintenance.
What is a solstice? By Sarah Wild Twice a year, one hemisphere has its longest day of the year while the other has the longest night. These solstices are the astronomical beginning of winter and summer.
What is an equinox? By Sarah Wild Equinoxes occur twice a year when the sun is directly above the equator, and signal herald the beginning of spring and autumn.
Black Moon 2020: What it is (and why you can't see it) By Joe Rao Tuesday's sky (Aug. 18) is host to a somewhat unusual lunar event in the Western Hemisphere: a third new moon in a season of four new moons, which some people call a "Black Moon."
Mars Reconnaissance Orbiter: 15 key milestones to celebrate 15 years in space By All About Space magazine Here are 15 of the biggest discoveries from NASA’s Mars Reconnaissance Orbiter.
SpaceX's Dragon: First Private Spacecraft to Reach the Space Station By Elizabeth Howell The Dragon spacecraft first reached the International Space Station in 2012 and Crew Dragon became the first private, crewed spacecraft to reach the ISS in 2020.
Space roar: NASA detected the loudest sound in the universe, but what is it? By David Crookes , All About Space magazine The space roar, which was detected by NASA's ARCADE mission in 2006, makes space six-times louder than anyone was expecting — have we finally found the cause?
The Vostok Program: The Soviet's first crewed spaceflight program By Adam Mann A summary of the first Soviet crewed spaceflight program, Vostok, and its many missions.
The Mercury 13: The women who could have been NASA's first female astronauts By Swapna Krishna The Mercury 13 were a group of female pilots who passed the first astronaut tests, but weren't allowed to work for NASA because of their gender.
South Atlantic Anomaly: Have astronomers finally explained space's Bermuda Triangle? By David Crookes , All About Space magazine The South Atlantic Anomaly, nicknamed the "Bermuda Triangle of space," is a portion of space above Earth where protection from high doses of radiation is significantly weaker.
The Apollo Program: How NASA sent astronauts to the moon By Adam Mann An overview of the history and accomplishments of NASA's Apollo missions.
Perseverance: NASA’s Mars 2020 rover By Nola Taylor Redd The Perseverance rover, the centerpiece of NASA's Mars 2020 mission, will pick up where Curiosity left off, searching for signs of past life, but with better technology.
Northrop Grumman Space Systems: One of NASA's top contractors By Elizabeth Howell Northrop Grumman Space Systems brings together decades of work by pervious companies in the aerospace industry.
Bob Behnken: NASA astronaut and SpaceX Crew Dragon joint operations commander By Kimberly Hickok Here's a summary of Bob Behnken's career.
Doug Hurley: NASA astronaut and first SpaceX Crew Dragon spacecraft commander By Kimberly Hickok Here's a brief summary of Doug Hurley's career as a pilot and pioneering astronaut.
X-37B: The Air Force's Mysterious Space Plane By Mike Wall A look at the U.S. Air Force's unmanned X-37B space plane, which has flown four secret, long-duration missions in Earth orbit to date.
