Scientists propose new way to defend the Earth against cosmic impacts
In February of 2013, skywatchers around the world turned their attention toward asteroid 2012 DA14, a cosmic rock about 150 feet (50 meters) in...
China’s FAST telescope could detect self-replicating alien probes
One of the most challenging questions to answer when confronting the Fermi Paradox is why exponentially scaling technologies haven’t taken over the universe by...
Early solar system had a gap between its inner and outer regions, shows study
In the early solar system, a “protoplanetary disk” of dust and gas rotated around the sun and eventually coalesced into the planets we know...
How do ice giants like Neptune maintain their magnetic fields?
A layer of “hot,” electrically conductive ice could be responsible for generating the magnetic fields of ice giant planets like Uranus and Neptune.
New work...
Scientists detect 1652 radio bursts from 3 billion light-years away
What seemed a cosmic trickle almost a decade ago now appears as a rapid-fire barrage from across the universe.
An international team of astronomers including...
Did Venus, Earth’s twin sister, ever have oceans?
The planet Venus can be seen as the Earth’s evil twin.
At first sight, it is of comparable mass and size as our home planet,...
Scientists detect strange radio waves from the direction of the galactic center
Astronomers have discovered unusual signals coming from the direction of the Milky Way’s center.
The radio waves fit no currently understood pattern of variable radio...
Scientists reveal the nature of unknown gamma-ray sources
Astronomers have unveiled the nature of hundreds of gamma-ray emitting sources, discovering that most of them belong to the class of active galaxies known...
Scientists discover unexpectedly radio signals from distant stars
Using the world’s most powerful radio antenna, scientists have discovered stars unexpectedly blasting out radio waves, possibly indicating the existence of hidden planets.
The University...
New moon rocks brought back by Chang’e-5 are 1.97 billion years old
A lunar probe launched by the Chinese space agency recently brought back the first fresh samples of rock and debris from the moon in...