For most of us, to hear the birds of the Scottish Highlands - the skylark, the curlew and the wind over the moor - we need somebody else to go there with a microphone. Martyn Stewart has been doing ...

Orbital resonance, a phenomenon where planetary orbital periods exhibit whole-number ratios, is observed in approximately 5% of planetary systems, exemplified by Neptune and Pluto's 3:2 resonance and ...

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar system's worlds. Online chatter and a frenzy of media ...

A rare celestial event on Feb. 28 will offer skywatchers the chance to witness a "planet parade" of all seven planets in our solar system outside of Earth. It's the last time this type of planetary ...