Time Machines
Two new NASA missions will take a look at relics from the birth of the solar system. Lucy (left) will…
Bright Nights
The cities of Florida glow brilliantly in this 2012 view from the International Space Station. From the ground, the light…
Stellar Onion
Shortly before a massive star explodes as a supernova, it consists of a series of layers, like an onion. In…
Universal Chemistry
A star expels a mixture of chemical elements into space as it reaches the end of its life, including some…
Mountain Climbing
The Mars Curiosity rover snapped this picture on Februay 10 as it continued its ascent of the flanks of Mount…
Brilliant Dead Star
This composite image shows the remains of Supernova 1987A, an exploding star that was first observed in February 1987. The…
A ‘Nicer’ View of the Sky
A new X-ray telescope that’s scheduled for launch as early as April will study the crushed corpses of once-mighty stars.…
Evening Comet
Encke's Comet pushes into the evening sky in February and March, and should be bright enough to see with binoculars.…
Sailing Through the Galaxies
A map of many galaxies spread across the sky reveals a concentration of them in the constellation Vela, the sail.…
Evening Array
The Moon scoots past Venus and Mars in the early evening sky on January 30 and 31. Venus is the…