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 now defunct Chinese space station Tiangong-1 is en route to crash into Earth – completing its "atmospheric reentry phase."
If you read the fine print of many other companies they usually say that astronomers do not officially recognize the name of the star you just purchased.
Albert Einstein's vision for how gravity works was, to say the least, a radical departure from the older, Newtonian perspective.
As exciting as SpaceX's Falcon Heavy launch was, we should remember that the wonders of space, with its "billions and billions" of planets and stars, are not exclusive domain of a few billionaires.
To visit a truly strange land full of wonder and mystery, all you have to do is crack open your microscope case and look down, down, down.
A newfound star in a nearby galaxy appears to have cheated death by blowing up at least twice as a supernova. It could be a throwback to the first stars that ever formed.
Ultradense quark stars, which mash together one of the universe's fundamental particles, may or may not be a physical possibility.
We all know about powerful supernova blasts — but compared to quasars and their brighter cousins, blazars, they're peanuts.
In the late 1990s, theoretical physicists uncovered a remarkable connection between two seemingly unrelated concepts in theoretical physics.
"Kilopower" could help humanity establish settlements on the moon, Mars and other bodies throughout the solar system.
Gamma ray bursts, intense explosions of light, are the brightest events ever observed in the universe – lasting no longer than seconds or minutes.
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