The collision helped seed Earth with its precious metals
New analyses question whether mysterious gamma-ray and x-ray light in the galaxy actually stems from an invisible mass
A new computer model shows how a buried ocean on the dwarf planet might have enabled seismic waves to travel
Physicists have found a way the theory might limit the cosmic inflation that is thought to have expanded the early universe
They’ll serve as the hearts of “discovery factories” for planetary science, astrophysics, materials physics, fusion, and more
An Ohio particle accelerator will test an alternative idea of how the universe’s carbon came to be
The growth layers in a 70-million-year-old clam shell indicate that a year back then had more than 370 days, with each day being only about 23.5 hours.
A planetary alignment provides a window to visit Uranus and Neptune—but time is tight
A new study suggests there are key differences between the compositions of Earth and its natural satellite, with significant implications for lunar history
Emmy and Peabody Award–winning science writer, producer and director Ann Druyan talks about Cosmos: Possible Worlds, the next installment of the Cosmos series.
A mind-blowing activity from Science Buddies
Originally published in March 1950
Physicists suspect spacetime ripples could explain why the universe is made of matter
Physicists who were set to attend the American Physical Society’s Denver conference are using virtual platforms to share their talks
The iconoclastic physicist rejected the idea of an end point to the human quest for knowledge and happiness...
Originally published in December 1963
A cool science activity from Science Buddies
Originally published in February 1857
If built, the International Linear Collider would investigate some of the biggest mysteries in physics on the smallest of scales
Increasing or decreasing the altitude of aircraft by a few thousand feet to avoid thin layers of humidity could make a major reduction to contrails’ contribution to climate change...