Cosmology
- Cosmology
New data fuel debate on universe’s expansion rate
Quasar observations add to discrepancy in measurements of the universe’s expansion speed.
- Astronomy
Spin may reveal black hole history
High rate of spin could indicate that black holes formed from previous mergers of black holes.
- Astronomy
Star-starved galaxies fill the cosmos
Astronomers are detecting hundreds of galaxies that are almost devoid of stars. There are at least four theories on how they got that way.
- Earth
‘A Most Improbable Journey’ offers scientific take on human history
Walter Alvarez’s “A Most Improbable Journey” gives readers a tour of “Big History,” linking human history to unpredictable cosmic, geologic and biological events.
- Cosmology
‘Voyage of Time’ is Terrence Malick’s ode to life
With “Voyage of Time,” director Terrence Malick brings the history of the universe — and the evolution of life on Earth — to the big screen.
- Cosmology
After Big Bang, shock waves rocked newborn universe
Shock waves in the early universe could explain the generation of magnetic fields and the predominance of matter over antimatter.
- Cosmology
A cosmic quandary, risks of hatching early and more reader feedback
The cosmos, tadpole escape artists, vehicle collisions and more in reader feedback.
- Earth
Science finds many tricks for traveling to the past
Our editor in chief discusses what science can tell us about the past.
- Cosmology
Debate accelerates on universe’s expansion speed
A puzzling mismatch is plaguing two methods for measuring how fast the universe is expanding.
- Particle Physics
Latest search for dark matter comes up empty
Scientists continue to come up empty-handed in the search for dark matter. The latest effort from the LUX experiment found no evidence for dark matter.
- Astronomy
Stephen Hawking finds the inner genius in ordinary people
Ordinary people wrestle with big questions in science and philosophy in Genius, a new television series hosted by Stephen Hawking.
- Cosmology
Ancient dwarf galaxy was heavy-element factory
A rare event in an ancient galaxy left traces of heavy elements in its stars.
