Grasshoppers change their tune to stay tuned over traffic noise

Grasshoppers are having to change their song – one of the iconic sounds of summer – to make themselves heard above the din of road traffic, ecologists have discovered. The study, published in the British Ecological Society's ...

The 11-year solar cycle continues during prolonged sunspot minima

Streaming into the solar system at nearly the speed of light, galactic cosmic rays (GCRs) are a high-energy mix of protons, electrons, and atomic nuclei. As they pass into reach of the outflowing solar wind, the propagation ...

High-frequency flux transfer events detected near Mercury

The physical process that creates connections between the magnetic fields emanating from the Sun and a planet - a process known as magnetic reconnection - creates a portal through which solar plasma can penetrate the planetary ...

Astronomer point the way for exoplanet search

(Phys.org)—Though the search for planets around other stars, or exoplanets, is showing researchers that planets are abundant in our galaxy, it helps a great deal to have directions when searching for as-of-yet undiscovered ...

Clouds could explain how Snowball Earth thawed out

Glaciation events during the Neoproterozoic (524-to-1,000 million years ago) and Paleoproterozoic (1,600-to-2,500 million years ago) periods - events that spawned ice ages that persisted for millions of years at a time - ...

Cisco 1Q income up as US businesses buying again (Update)

Cisco Systems Inc., the world's largest maker of computer networking gear, said Tuesday that U.S. companies are starting to spend again, helping Cisco find more solid footing after some shaky months early this year.

page 1 from 11