Here's a guide to all the rocket launches and astronomical events in 2021, as well as milestones for space missions, anniversaries and conferences.
Inspiration4 will be the world's first spaceflight unsupervised by professional astronauts, using commercial equipment to launch civilian space enthusiasts into orbit.
Space Mysteries: Did an unidentified flying object really crash land at a New Mexico ranch in 1947, only to be hushed up by the government?
The Hope Mars mission is the United Arab Emirates' first interplanetary spacecraft and will study the Red Planet's atmosphere.
Find out what's up in your night sky during May 2021 and how to see it in this Space.com stargazing guide.
These violent openings are windows into the inner workings and origins of our neighboring planets and their moons.
There used to be nine planets. Now there are eight, or maybe there are nine after all. Whichever you prefer, here is a list of them in the order they appear in the solar system.
What's the weather like on other worlds? Expect methane rain, global haboobs and a 10,000-mile-wide hurricane.
A biography of Soichi Noguchi, JAXA astronaut and only non-American so far to fly in the space shuttle, the Soyuz and SpaceX Crew Dragon.
The next era of our investigation of the cosmos is about to be kick-started by the Rubin Observatory, which is currently under construction in northern Chile.
Leading scientists have long pondered how matter gives rise to our subjective experience of reality and believe consciousness could even permeate space and time.
The European Space Agency’s Space Situational Awareness program is tackling the problem on three fronts.
Gagarin became the first of humankind to blast off into space on April 12, 1961, but rumors continue to circulate that another cosmonaut had beaten him to the punch days before.