A satellite in space has fired a net at a target to test active space-junk-cleanup technology, and the video is amazing.
A new type of camera developed by U.S. researchers will allow astronomers to directly image planets around nearby stars in the search for another Earth.
The largest-ever parachute bound for Mars, which will land Europe's ExoMars rover on the surface of the Red Planet in 2021, passed the first in a series of tests in Sweden.
An experiment that involved shooting meteorite-like projectiles at volcanic rocks has revealed how high-velocity asteroid impacts could have delivered water to Earth.
The first experiment designed to demonstrate active space debris removal in orbit has just reached the International Space Station aboard SpaceX's Dragon capsule.
For the first time, the European Space Agency has tested a novel air-breathing electric thruster that could allow near-Earth orbiting satellites to stay in space almost indefinitely.
The death of iconic physicist Stephen Hawking Wednesday (March 14) has spawned an outpouring of respect and emotions from scientists the world over.
Scientists used a giant, rotating pot to simulate the atmosphere of Saturn, and they may have figured out how the gas giant's massive polar storms take shape.
The little, swiveling robots will look at a new portion of the sky for the invisible force called dark energy that may be causing the accelerating expansion of the universe.
An interstellar object called 'Oumuamua has confounded astronomers ever since it passed through our solar system in October of last year.
Astronauts in space suffer from persistently elevated body temperature, which can reach up to 104 degrees Fahrenheit (40 degrees Celsius) when they exercise, a new study has found.
While it looks like an asteroid, the first interstellar object spotted passing through the solar system, called 'Oumuamua, may be more like a comet in disguise.
A new study makes the bold claim that dark matter might not need to exist to explain strange observations in the universe; but scientists aren't convinced that the study holds water.
Did the universe begin with the Big Bang, or has it been expanding and contracting infinitely? A new study uses black hole physics to argue for the latter.
The European Space Agency has launched the most advanced air pollution monitoring satellite ever built, to map the global distribution of dangerous air pollutants in unprecedented resolution.