Earth may have been pummeled with asteroids much earlier than we thought
Welcome to the early solar system.
Just after the planets formed more than 4.5 billion years ago, our cosmic neighborhood was a chaotic place.
Waves of...
Glitch in neutron star reveals its hidden secrets
Neutron stars are not only the densest objects in the Universe, but they rotate very fast and regularly.
Until they don't.
Occasionally these neutron stars start...
Scientists find a monster black hole with 40 billion times the mass of the...
If contemplating the vast size of astronomical objects makes you feel rather puny and insignificant, then this new discovery will make you feel positively...
Scientists show true colors of evolving galactic beasts
Astronomers have identified a rare moment in the life of some of the universe's most energetic objects.
Quasars were first observed 60 years ago, but...
Dark matter may be older than the big bang, says new study
Dark matter may have existed before the Big Bang, according to a new study.
Dark matter, which researchers believe make up about 80% of the...
Virtual ‘universe machine’ sheds light on galaxy evolution
How do galaxies such as our Milky Way come into existence? How do they grow and change over time?
The science behind galaxy formation has...
Dark matter may be older than the big bang, study says
Dark matter, which researchers believe make up about 80% of the universe's mass, is one of the most elusive mysteries in modern physics.
What exactly...
Dead planets can ‘broadcast’ for as long as a billion years
Planetary cores can survive for as long as a billion years after their stars have burnt up their nuclear fuel.
Astronomers are planning to hunt...
Moonquakes tumble boulders, build lunar scarps
The Apollo Moon buggies weren’t the only things rolling over the Moon’s surface in the early 1970s.
New research has found that a strong moonquake...
Scientists find traces of one of Universe’s first stars
Astronomers have found the ghostly remains of one of the Universe's first stars inside a rare, ancient star far, far away on the other...