As new sea passages open up, the commercial and defence possibilities are becoming irresistible. To take advantage, America desperately needs ships ...

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

Scientists studying Saturn's icy moon, Enceladus, have discovered that its ocean forms layers that slow the upward movement ...

Trump’s rhetoric and actions have impacted clean-energy projects around the country. But these stocks still look promising.

Towards the end of the month, Mercury appears in the evening sky, and climbs up past Saturn. In the dusk glow, you may be ...