Cosmology
- 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.
- Cosmology
How to make gravitational waves ‘sing’
A rapidly spinning black hole would make a unique pattern of gravitational waves when it sucks in a smaller companion.
- Cosmology
New sky map charts previously unknown gamma-ray sources
A new map of the sky from the High-Altitude Water Cherenkov Observatory charts the cosmic origins of high-energy photons.
- Astronomy
Possible source of high-energy neutrino reported
Scientists may have found the cosmic birthplace of an ultra-high energy neutrino: a blazar 9 billion light years away.
- Agriculture
Readers debate GMOs
Genetically-modified food, nuclear fusion, black holes and more reader feedback.
- Neuroscience
Readers respond to stress, tattoos, and the universe
Stress, tattoos, cosmic origins and more reader feedback.
- Cosmology
Celebrating a new way to listen to the universe
Editor in Chief Eva Emerson reflects on the detection of gravitational waves as a historic moment for physics.
