In another star system, a Pluto-like world survived until the bitter end

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising to astronomers because most would predict the distant icy worlds to be ...

This disruptive startup installs solar panels on Americans' roofs for no money down — here's how it works

Solar panels may offer abundant and affordable energy — but their installation can be prohibitively expensive for many ...