Can we unify quantum mechanics and gravity?
Sabine Hossenfelder has little doubt that we will be able to
Read article: Can we unify quantum mechanics and gravity?
Read article: Can we unify quantum mechanics and gravity?
What is time?
Adam Frank explains why the nature of time is such an enduring – and important – problem
Read article: What is time?
Farthest confirmed galaxy is a prolific star creator
Galaxy shone just 700 million years after Big Bang
Read article: Farthest confirmed galaxy is a prolific star creator
Astronomers discover furthest gravitational lens
Lens reveals early universe young-galaxy mystery
Read article: Astronomers discover furthest gravitational lens
What is the nature of the dark universe?
Catherine Heymans takes a look at what we can’t see
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Is the universe saddle shaped?
"Open" geometry could account for Planck anomalies
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To the world’s end, in 15 questions
A book full of questions about cosmology, reviewed by Virginia Trimble
Read article: To the world’s end, in 15 questions
Emeritus trio scoops the 2013 Dirac Medal
Kibble, Peebles and Rees recognized by the ICTP
Read article: Emeritus trio scoops the 2013 Dirac Medal
B-mode polarization spotted in cosmic microwave background
South Pole Telescope is first to detect subtle twist in ancient light
Read article: B-mode polarization spotted in cosmic microwave background
What is the lifetime of a photon?
Calculations suggest that photons live for at least one billion billion years
Read article: What is the lifetime of a photon?
