In many ways, Venus shows us an Earth that could have been; the twin that grew up in a different environment.
SPACE.com invites experts in space exploration, science & technology to provide insightful commentary and informed perspective on news, current events, innovations, big ideas and ongoing research. Expert Voices includes Op-Ed analysis and opinion as well as interesting observations from the field and space exploration efforts around the world.
While some hazards of spaceflight and the space environment — like G-forces, radiation, vibration and microgravity — are well documented, many risks remain unknown.
When room and supplies are limited — like during space travel — you need to optimize for a different set of goals to meet the needs of the people you are trying to feed.
Neowise is the first bright comet to be visible with the naked eye from the northern hemisphere since the mid-1990s.
The concept for the Hope mission arose from a quest to fundamentally redirect a nation's trajectory.
In the year that is 2020, #WhyPersevere? Janet Ivey, President, of Explore Mars and creator of Janet's Planet, shares her reasons why Perseverance is exactly what we need now more than ever.
Physicists have discovered a new, exotic kind of tetraquark, made up of four charm quarks. They say it's a major breakthrough.
There's a reason — actually, several — why Sir Isaac Newton is often considered the No. 1 scientist of all time.
Blood clots are life-threatening, as they can cause heart attacks or strokes and lead to huge health related costs on Earth.
There are a lot of reasons that a faster spaceship is a better one, and nuclear-powered rockets are a way to do this.
Since the launch of Sputnik 1 in 1957, the lower orbit around the Earth has become an increasingly congested environment.
Atmospheric scientists sampled the most pristine air on Earth, just above the Southern Ocean. They found some surprises.