September marks the end of the summer sea ice melt season and the Arctic sea ice minimum, when sea ice over the Northern Hemisphere ocean reaches its lowest extent of the year.
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.
The universe is pretty good at smashing things together. And when neutron stars do it, the collisions release a flood of elements necessary for life.
Love and sex need to happen in space if we hope to travel long distances and become an interplanetary species, but space organizations are not ready.
Flashing through the atmosphere, the rock exploded in a massive fireball about 2.5 miles (4 kilometers) above the ground.
The Inspiration4 mission will launch an all-civilian crew of culturally and socially blended people on a mission funded by a billionaire. None of them will be tourists.
Organized and funded by entrepreneur Jared Isaacman, the Inspiration4 mission touts itself as "the first all-civilian mission to orbit" and represents a new type of space tourism.
A new theory suggests dark matter may have come from quantum bags that got squished together in the early universe.
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.
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.