The idea that comets brought water to Earth gained momentum late last year, when astronomers announced ocean-like water in Comet Hartley 2.

The North-East Passage, the sea route along the North coast of Russia, is expected to be free of ice early again this summer.

Lemurs eating lemurs. Is it a cannibal lemur? Is this normal?

Three videos from June 12 tornado, which narrowly missed Venice, Italy.

New evidence from NASA's Chandra X-ray Observatory challenges prevailing ideas about how a supermassive black hole grows in the centers of galaxies.

A team of scientists from A*STAR’s Institute of Medical Biology (IMB) and Genome Institute of Singapore (GIS) together with clinicians from Boston’s Brigham and Women’s Hospital (BWH) have identified a unique set of cells in the cervix that are the cause of human papillomaviruses (HPV) related cervical cancers. Significantly, the team also showed that these cells do not regenerate when excised. These findings have immense clinical implications in the diagnosis, prevention and treatment of cervical cancer. The study was published in the prestigious journal, Proceedings of the National Academy of Sciences (PNAS), this week.

The personality of red-headed Gouldian finches have aggressive tendencies, while birds with black heads are bold and take more risks than their peers.

Roughly 400 firefighters are fighting the High Park Fire today, which started two days ago and has spread fast about 15 miles west of Fort Collins.

Astronomers at the Harvard-Smithsonian Center for Astrophysics have added more to the emerging picture of Fermi Bubbles in galactic centers.

An interdisciplinary research project carried out shows that mindfulness-based psychological therapy helps reduce anxiety and depression in cancer patients.