Red Stars
[/caption] The color of a star comes from the temperature of its surface. The hottest stars are blue, cooler stars…
HiRISE Captures Bolide Break-up and Impact on Mars
[/caption] Incoming! Hundreds of small objects, mostly asteroid fragments, impact Mars every year. Sometimes, like on Earth, objects break up…
Astronomers Find Cosmic Dust Fountain
[/caption] Dust is everywhere in space, but the pervasive stuff is one thing astronomers know little about. Cosmic dust is…
Deep Hubble View of Unusual “Fluffy” Galaxy – and Beyond
[/caption] The Coma Galaxy cluster is home to a rich collection of galaxies in the nearby Universe. NGC 4921 is…
White Dwarf Stars
[/caption] White dwarf stars are the corpses of stars; what happens once they've used up all their fuel and lack…
Red Dwarf Stars
[/caption] Our Sun is such a familiar sight in the sky that you might think stars like our Sun are…
New Robot Could Explore Treacherous Terrain on Mars
If you've looked at the high resolution HiRISE images from the Mars Reconnaissance Orbiter, or had the chance to explore…
Where In The Universe #41
Are you ready for another Where In The Universe Challenge? Take a look at the image above and see if…
Take a Spin Around the Altair Lunar Lander
[/caption] What will NASA's next generation of lunar landers be like? Well, right now the Altair lander is just a…