Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our sun millions of years ago. Earth may have a moon today because a nearby ...

Cincinnati residents woke up Dec. 2 after the winter's first major snowfall wanting to know what streets were plowed. So many residents logged on to the city's new and improved snowplow tracker that ...

If you stop to think about it, it’s a marvel that we can harness energy from the sun. But we do, thanks to solar panels equipped with photovoltaic cells that convert sunlight to electricity. That’s no ...