Why there’s so little antimatter in the universe
Imagine a dust particle in a storm cloud, and you can get an idea of a neutron’s insignificance compared to the magnitude of the...
Scientists discover a giant comet in outer solar system
A giant comet has been discovered by Penn astronomers Pedro Bernardinelli and Gary Bernstein following a comprehensive search of data from the Dark Energy...
Bad news, life probably can’t exist on Venus. Good news, it could be in...
For decades, scientists engaged in the search for life in the Universe (aka. astrobiology) have focused on searching for life on other Earth-like planets.
These...
Why does Mercury have such a big iron core?
A new study disputes the prevailing hypothesis on why Mercury has a big core relative to its mantle (the layer between a planet's core...
Physicists observationally confirm Hawking’s black hole theorem for the first time
There are certain rules that even the most extreme objects in the universe must obey.
A central law for black holes predicts that the area...
Scientists discover the smallest and most massive white dwarf ever seen
Astronomers have discovered the smallest and most massive white dwarf ever seen.
The smoldering cinder, which formed when two less massive white dwarfs merged, is...
Scientists detect black holes swallow neutron stars like ‘Pac Man’ for the first time
Scientists have for the first time detected black holes eating neutron stars, "like Pac Man", in a discovery documenting the collision of the two...
Scientists detect a new type of supernova
Astronomers have observed the first example of a new type of supernova.
The discovery, confirming a prediction made four decades ago, could lead to new...
Dark matter might be behind mysterious, supermassive black holes in the early universe
When astronomers use telescopes to look back in time—toward objects in the universe whose light is only now reaching earth after billions of years—they...
Aliens in 2034 nearby star systems could use the transit method to see Earth
For centuries, human beings have speculated about the existence of planetary systems (much like our own) orbiting other stars.
However, it has only been in...