Space calendar 2021: Rocket launches, sky events, missions & more! By Hanneke Weitering Here's a guide to all the rocket launches and astronomical events in 2021, as well as milestones for space missions, anniversaries and conferences.
The brightest planets in January's night sky: How to see them (and when) By Joe Rao Here's how to see planets visible in January's night sky.
Night sky, January 2021: What you can see this month [maps] By Chris Vaughan Find out what's up in your night sky during January 2021 and how to see it in this Space.com stargazing guide.
What was the Star of Bethlehem? By Jonathan O'Callaghan, All About Space magazine According to the New Testament, the Star of Bethlehem led the three wise men to Jesus' birth. Here are a few theories about what the star really was.
Solar eclipses: When is the next one? By Joe Rao Solar eclipses are one of nature’s most spectacular events.
Solar eclipse guide 2020: When, where & how to see them By Hanneke Weitering On Dec. 14, a total solar eclipse will be visible from South America. It will be the first and only total solar eclipse of 2020. Here's everything you need to know.
China's Chang'e 5 mission: Sampling the lunar surface By Adam Mann The historic Chang'e 5 mission is China's first attempt to bring samples back from the moon.
United Launch Alliance: Combining the forces of two aerospace giants By Adam Mann An overview of the history and accomplishments of the private space venture United Launch Alliance.
Lunar eclipses: What are they & when is the next one? By Robert Roy Britt Lunar eclipses occur when Earth's shadow blocks the sun. There are three types; the most dramatic is a total lunar eclipse. Find out when is the next one.
Arecibo Observatory: Watching for asteroids, waiting for E.T. By Elizabeth Howell Arecibo Observatory has been used to send a SETI message as well as for scanning the skies for approaching asteroids.
The Laser Interferometer Gravitational-Wave Observatory (LIGO): Detecting ripples in space-time By Adam Mann An overview of LIGO and how it detects gravitational waves coming from the universe.
Asteroid Ryugu: The twirling space rock visited by Hayabusa2 By Adam Mann Information about the asteroid Ryugu, which was explored by the Hayabusa2 spacecraft from 2018 to 2019.
The Very Large Array: 40 years of groundbreaking radio astronomy By Adam Mann Facts and details about the iconic Very Large Array, a radio astronomy facility in New Mexico.
Voskhod program: The Soviet Union's first crewed space program By Adam Mann An overview of the Voskhod spacecraft, which was used during the second Soviet human spaceflight program
Explorer 1: The First U.S. Satellite By Elizabeth Howell Explorer 1 launched the United States into the Space Race.
Sputnik: The Space Race's Opening Shot By Elizabeth Howell The launch of the world's first satellite was the birth of the Space Age.
What is a Satellite? By Elizabeth Howell Artificial satellites from Earth have only populated space since 1957, but there are now hundreds of thousands of objects from our planet in orbit.
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.
