Astronomy


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Essay/
Astronomy
Monsters in the dark

The Universe’s biggest galaxies could hold the key to the birth of the cosmos. Why are these behemoths so hard to find?

Matthew Bothwell

Essay/
History of science
Curving the Universe

A century ago, a team of scientists chased the arc of starlight across a total eclipse to prove Einstein right on relativity

Matthew Stanley

Essay/
Astronomy
Our aquatic universe

We know that the Universe is awash with watery moons and planets. How can we pinpoint which of them could support life?

Tim Folger

Essay/
Cosmology
Universe in a bubble

Maybe we don’t have to speculate about what life is like inside a bubble. It might be the only cosmic reality we know

J Richard Gott

Essay/
Cosmology
Echoes of a black hole

Ripples in space-time could herald the demise of general relativity and its replacement by a quantum theory of gravity

Sabine Hossenfelder