How rare is our solar system? In the 30 years or so since planets were first discovered orbiting stars other than our sun, we have found that planetary systems are common in the galaxy.
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.
What are the chances that a primordial black hole forged in the earliest moments of the universe will come wandering toward Earth?
On Aug. 28, a SpaceX rocket will blast off from Cape Canaveral in Florida, carrying supplies bound for the International Space Station.
Galaxies – massive collections of gas, dust, and billions of stars and their solar systems – are a fundamental component of our universe.
Having a dedicated space command will bring Australia into line with Canada, India, France and Japan, all of which recently created similar organisations within their armed forces.
Permanent flooding has become commonplace on this low-lying peninsula, nestled behind North Carolina’s Outer Banks. The trees growing in the water are small and stunted.
Asteroids are packed with gold and other valuable resources. And the best way to harvest those metals may be to bring space rocks to Earth.
If we ever want to take pictures of an Earth-like exoplanet, we need to think bigger than the biggest telescopes on Earth.
With Jeff Bezos and Richard Branson both flying to space in craft made by their own private companies, July 2021 was perhaps the highest-profile month for space in years.
Here's why the force of gravity pulls us down rather than up. The answer involves Einstein and the bendy realm of space-time.