51¶¯Âþ

cosmology

exoplanet

Space

Volunteers spot four super-Earths orbiting sun-like star

Zooniverse’s Exoplanet Explorers project invites citizen scientists to scour data from the Kepler spacecraft - within two days they found a planetary system

51¶¯Âþ

space

Space

New approach to dark energy might explain our cooling universe

51¶¯Âþ

telescope

Space

Earth-sized telescope set to snap first picture of a black hole

51¶¯Âþ

Binary star system

Space

Gravitational waves slow the spin of shape-shifting neutron star

51¶¯Âþ

coldest place

Space

The coldest place in the universe marks a double stellar grave

51¶¯Âþ

epistemology artwork 2

Technology

Inside knowledge: What wisdom will live on once we're gone

Features

Win a pair of signed books by Lawrence M. Krauss

Space

Win a pair of signed books by Lawrence M. Krauss

Regulars

Galaxy NGC 4258 with its extra tentacles protruding from its middle

Space

The many-tentacled galaxy that could drive a physics revolution

51¶¯Âþ

lots of galaxies

Space

Cosmological ruler could help us get the measure of dark energy

51¶¯Âþ

The Andromeda galaxy

Space

Dark matter took its time to wrap around early galaxies

Large spiral galaxies today rotate more quickly than they should, but was it always that way? New maps of ancient galaxies suggest a dark secret

51¶¯Âþ

Physics

Keep an open mind on dark matter and rivals that do away with it

Leader

Physics

Rules of attraction: Why it's time to rethink how gravity works

Features

Space

TRAPPIST-1 worlds are close enough for life to hop between them

51¶¯Âþ

Space

Oldest, biggest black holes may have come from enormous stars

51¶¯Âþ

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop