Albert Einstein's theory of general relativity has been remarkably successful in describing the gravity of stars and planets, but it doesn’t seem to apply perfectly on all scales.
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 collapse of the world's most powerful radio and radar telescope didn't kill off science at the Arecibo Observatory, but the National Science Foundation might.
Tiny grains of minerals smaller than the width of human hair hold clues to the construction of our planet Earth and its path through the Milky Way.
If you surfed the web this morning, you may have seen news of the latest existential threat to humanity: a “planet killer” asteroid named 2022 AP7.
Curious Kids: what is exotic matter, and could we use it to make wormholes? – Julia, aged 14, London
The realities of sexuality and intimacy in space are mostly omitted from discussions of human factors associated with working and living in space.
Some interpretations of quantum mechanics propose that our entire universe is described by a single universal wave function that constantly splits and multiplies.
GPS is integral in bringing new technology to farms, such as autonomous tractors, smart sprayers with AI and better tools for data collection.
In new research, we used data from InSight to detect and locate four high-speed meteoroid collisions, and then tracked down the resulting craters.
Our new paper shows how massive stars in such stellar nurseries can steal exoplanets away from each other — and what the signs of such theft are.
Astronomers now routinely discover planets orbiting stars outside of the solar system — they're called exoplanets.
A wormhole is like a tunnel between two distant points in our universe that cuts the travel time from one point to the other.
In 1961, the US astrophysicist Frank Drake, who passed away on Sept. 2 at the age of 92, came up with an equation to estimate the number of intelligent civilizations in the Milky Way right now.
The new images reveal JWST will be a fantastic tool for astronomers aiming to improve their knowledge of exoplanets.
Our increasing reliance on space infrastructure makes modern economies increasingly vulnerable to the impacts of accidents and unlawful or irresponsible acts in space.