Polar bears and grizzly bears have mated for thousands of years, a new study has found—and as climate change intensifies, they could one day evolve into new species. According to findings by researc… [+3377 chars]
Operating observatories around the globe target sky regions characterized by low contamination from Galactic radiation, looking for the imprint of Cosmological Gravitational Waves (CGWs) produced dur… [+4588 chars]
Scientists create time machine simulations studying the lifecycle of ancestor galaxy cities. Many processes in astrophysics take a very long time, making their evolution tricky to study. For example… [+4866 chars]
Lets say I put on a heat-resistant suit, persuaded a reckless scientist to miniaturize me (à la Honey, I Shrunk the Kids) and rappelled into the Old Faithful geyser. After going down 20 feet into the… [+12573 chars]
Advances in synthetic biology and genome editing have led to a growing industry to develop customized cell lines for medical research. These engineered cell lines, however, can be vulnerable to misid… [+4959 chars]
Dust that Japan's Hayabusa2 probe returned to Earth from asteroid Ryugu reportedly contain 20 amino acids, according to Japanese media. Which is very exciting indeed, because amino acids are the stu… [+1549 chars]
Polar bears and brown bears were still mating with each other long after they had split into two distinct species, a new study has found. The two species are known to have separated between 1.3 and… [+8157 chars]
Even though May's lunar eclipse brought stargazers out in force, June's action-packed roster of celestial events promises to keep those eyes on the sky. This month's nighttime spectacles run the ga… [+3543 chars]
Researchers in Australia have been able to use trace amounts of liquid platinum to create cheap and highly efficient chemical reactions at low temperatures, opening a pathway to dramatic emissions re… [+6289 chars]
NASA says it will soon award SpaceX another five Crew Dragon astronaut transport contracts after purchasing three extra missions from the company on February 28th. That June 1st announcement means t… [+3903 chars]
A next-generation spacesuit has been unveiled by NASA for future ISS and Artemis missions. The suits will be provided by Axiom Space, a private space infrastructure developer, in partnership with Co… [+3329 chars]
An artist's impression of a potentially hazardous asteroid passing close to Earth. (Image credit: Juan Gartner via Getty Images) A test of whether asteroid defense systems could spot a potentially h… [+5371 chars]