How life could live under the ice on Mars
Mars has been a fascination to us for centuries. Early observations falsely gave impressions of an intelligent civilisation but early visiting probes revealed a...
Discovery of three ‘red monster’ galaxies challenges ideas about the early universe
An international team of scientists led by the University of Geneva has discovered three ultra-massive galaxies that formed just a billion years after the...
Ancient meteorite reveals evidence of liquid water on Mars 742 million years ago
A team of scientists has found evidence of liquid water on Mars from 742 million years ago in a Martian meteorite known as the...
How extraterrestrial civilizations could become “stellarvores”
One of the most challenging aspects of astrobiology and the Search for Extraterrestrial Intelligence (SETI) is anticipating what life and extraterrestrial civilizations will look...
Early black holes fed 40x faster than should be possible
The theory goes that black holes accrete material, often from nearby stars.
However the theory also suggests there is a limit to how big a...
A spider stellar engine could move binary stars halfway across a galaxy
Eventually, every stellar civilization will have to migrate to a different star. The habitable zone around all stars changes as they age.
If long-lived technological...
How did supermassive black holes get so big, so early
Supermassive Black Holes (SMBHs) can have billions of solar masses, and observational evidence suggests that all large galaxies have one at their centres.
However, the...
A space mission to Triton and Neptune would unlock their mysteries
A town in the Austrian Alps might not seem like the most conducive place to come up with daring space missions.
But, for the last...
Scientists watch ‘dancing’ electrons after neutron star collision
Astrophysicists have observed an extraordinary event following the collision of two neutron stars—the explosive birth of a black hole and the intense "dance" of...
Asteroid dust unveils the mysterious magnetic origins of our solar system
Tiny grains from the asteroid Ryugu are helping scientists uncover secrets about how the outer regions of our solar system formed over 4.6 billion...