Astronomers map the shape of a black hole’s corona for the first time
If you were lucky enough to observe a total eclipse, you are certain to remember the halo of brilliant light around the Moon during...
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...
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...
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...
A trash compactor is going to the space station
Astronauts on the International Space Station generate their share of garbage, filling up cargo ships that then deorbit and burn up in the atmosphere.
Now...
A star disappeared in Andromeda, replaced by a black hole
Massive stars about eight times more massive than the Sun explode as supernovae at the end of their lives.
The explosions, which leave behind a...