New research suggests that pre-kindergarteners perceive time differently from adults and school-age children.
Could black holes be dark energy?
Astronomers looking at how black holes grow over time may have found the answer to one of the biggest problems in cosmology.
Science in pictures
Striking images and innovative science — from a hydrogel chessboard to floating steel and a thyroid-on-a-chip.
Itokawa asteroid is a rubble pile that could be tough to destroy
Analysis of dust particles collected from the surface of the 500-meter-long asteroid has implications for planetary defense.
Searching for dark matter in our solar system
Sending atomic and nuclear clocks into the inner reaches of our solar system could help scientists find proof of elusive dark matter.
How accurate are our models of rotating neutron stars?
Comparing algorithms used to model spinning neutron stars, scientists hope to better understand the physics of the elementary particles that make them up.
Studying quantum aspects of gravity with entanglement
What would it mean for two particles to become gravitationally entangled?
Detecting ultralight dark matter particles using supermassive black holes
Is it time to start looking for alternatives to WIMPs?
What is quantum gravity?
Quantum gravity seeks to describe gravity according to the principles of quantum mechanics, but can it be done?
A quark star may have just been discovered
More confirmation needed to see if recently discovered object is a quark star.