More Than a Trillion Planets Could Exist Beyond Our Galaxy
A new study gives the first evidence that exoplanets exist beyond the Milky Way.
Galaxies Rotate in Sync, Raising Dark Matter Questions
Astronomical observations of the satellite galaxies around Centaurus A challenge current cosmological models.
Dead Stars Orbiting Black Holes May Explain Mysterious Fast Radio Bursts
Scientists are peering into the “engines” behind some of the most extreme outbursts in the universe.
Supermassive Black Holes Stop Galaxies From Making New Stars
The bigger the black hole, the faster their host galaxies get “quenched,” according to new research.
What the Neutron Star Collision Means for Dark Matter
The latest LIGO observations rekindle a fiery debate over how gravity works: Does the universe include dark matter, or doesn’t it?
Scientists Unveil a New Inventory of the Universe’s Dark Contents
The first major results from the Dark Energy Survey signal the start of a new era of cosmology.
Half Our Bodies’ Atoms ‘Formed Beyond the Milky Way’
Simulations reveal that up to half the material in our galaxy arrived from smaller galactic neighbours, as a result of powerful supernova explosions.
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