Astronomers have spotted the most powerful supernova ever

An explosion 4.6 billion light-years away has released 10 times more energy than the sun will…

Vast worlds called brown dwarfs have extraordinarily powerful winds

Brown dwarfs, which are halfway between huge planets and small stars, have extremely powerful winds whipping…

Monster rocky exoplanet could let us glimpse the heart of Jupiter

An enormous rocky planet orbiting a distant star may be a gas giant that has had…

Rockets armed with talcum powder could stop deadly space junk

Thousands of dead satellites and chunks of debris in orbit are a threat to active satellites,…

We may have spotted a parallel universe going backwards in time

Strange particles observed by an experiment in Antarctica could be evidence of an alternative reality where…

An asteroid strike may have popped the surface of Mars

An unusually round and symmetrical deposit on Mars may be the result of an impact that…

Supermassive stars may have formed by repeatedly eating their siblings

Some black holes are way bigger than we can explain, and they may have come from…

Venus may have an underground magma ocean spanning the whole planet

When Earth and Venus formed, they both had global magma oceans deep underground. Earth’s has turned…

Cecilia Payne-Gaposchkin: The unsung discoverer of star chemistry

Cecilia Payne-Gaposchkin, who discovered that hydrogen dominates our universe, finally gets the recognition she deserves in…

Pluto formed quickly with a deep ocean covering its entire surface

Pluto’s ancient oceans may have come about just after the icy world was born, melting from…