Using data from the Cassini mission, scientists detected hydrazine on Rhea's surface — the first such detection in the Solar System.
Scientists on the International Space Station spotted a bright-blue lightning bolt shooting upward from thunderclouds. Blue jets can be difficult to spot from the ground, since...
Astronomers have detected the first Jupiter-like planet without clouds or haze in its observable atmosphere.
The Sun's extremely hot outer layer, the corona, has a very different chemical composition from the cooler inner layers, but the reason for this has puzzled...
New results from an atmospheric study over the Eastern North Atlantic reveal that tiny aerosol particles that seed the formation of clouds can form out of...
In June 1991, Mount Pinatubo, a volcanic peak on the Philippine Island of Luzon, literally blew its top. It was the second-most powerful volcanic eruption of...
Scientists studying seven very special neutron stars have observed that some of them emit an unexplained amount of high energy x-rays. One possible explanation...
Alongside Dennis van Engelsdorp, associate professor at the University of Maryland (UMD) in Entomology named for the fifth year in a row for his work in...
A study accepted by the Planetary Science Journal shows that the planets of the TRAPPIST-1 system share similar densities. That could mean they all contain roughly...
We don’t know exactly how deep because our radar couldn't pierce through all of it.