Wednesday October 4, 2017 5:27AM ET
Australia's major cities Melbourne and Sydney should be bracing for days where the mercury soars above 50 degrees Celsius.
Tuesday October 3, 2017 9:59AM ET
A team of scientists has found new evidence that the Great Permian Extinction, which occurred approximately 250 million years ago, was caused by massive volcanic eruptions that led to significant environmental changes.
Tuesday October 3, 2017 8:53AM ET
Two herpes simplex viruses infect primates from unknown evolutionary depths. In modern humans these viruses manifest as cold sores (HSV1) and genital herpes (HSV2).
Tuesday October 3, 2017 7:51AM ET
Life on Earth began somewhere between 3.7 and 4.5 billion years ago, after meteorites splashed down and leached essential elements into warm little ponds, say scientists at McMaster University and the Max Planck Institute in Germany.
Monday October 2, 2017 8:49AM ET
For decades, astronomers have tried to pin down why two of the most common types of active galaxies, known as Type I and Type II galaxies, appear different when observed from Earth.
Monday October 2, 2017 4:53AM ET
NASA's Hubble Space Telescope has photographed the farthest active inbound comet ever seen, at a whopping distance of 1.5 billion miles from the Sun beyond Saturn's orbit.
Saturday September 30, 2017 5:17AM ET
Scientists taking a new look at older data from NASA's longest-operating Mars orbiter have discovered evidence of significant hydration near the Martian equator.