For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...
The National Nuclear Security Administration (NNSA) is celebrating “a significant milestone,” announcing that it completed a ...
A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...
Observations of nearby red dwarf stars reveal rare carbon and oxygen isotopes, offering direct evidence of stellar nucleosynthesis and the chemical evolution of the Milky Way.
Dark matter seems invisible, but it makes up most matter, and we have evidence that it gives the cosmos its shape. Now ...
Researchers have reported new experimental results addressing the origin of rare proton-rich isotopes heavier than iron, ...
The chemical foundations of life could be found in the frigid pockets of molecular clouds that exist in the space between ...
At 3:39 p.m. on January 21, 1968, the aircraft slammed into the ice seven miles west of the base. The impact carved a ...
Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.
University of Chicago astronomy and astrophysics professor Donald G. York, who is credited with pioneering contributions to ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results