Consider what those of us can see in the night sky with healthy eyes, without any tools, far from city lights. Away from the dazzle of Sun’s day the Moon at night is, of course, the brightest above all. The visible stars make an obvious and fixed, so it seems, pattern that fills the celestial hemisphere. […]

This is it! Pluto is the last of the classical nine planets to be visited by a spacecraft from Earth. The New Horizons spacecraft will take close-up images and capture other useful data as it speeds by Pluto and its moons on July 14, 2015. This will complete the imaging grand tour of our solar system […]