Astronomy & Space news

The feasibility of deflecting asteroids

It's the ultimate science fiction: The immense power of the sun is harnessed and converted into a massive phased array of laser beams that have the potential to intercept and deflect asteroids before they smash into Earth.

date1 hour ago in Space Exploration
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Image: LISA Pathfinder launch sequence

Scheduled for launch in late 2015, ESA's LISA Pathfinder will test key technologies for space-based observation of gravitational waves – ripples in the fabric of spacetime that are predicted by Albert Einstein's general ...

date3 hours ago in Space Exploration
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Explainer: What is a neutron star?

Neutron stars are arguably the most exotic objects in the universe. Like one of those annoying friends who seemingly must overachieve in every aspect of life, neutron stars exceed in almost every category: surface gravity; ...

date4 hours ago in Astronomy
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The dwarf planet Orcus

Since the early 2000s, more and more objects have been discovered in the outer solar system that resemble planets. However, until they are officially classified, the terms Kuiper Belt Object (KBO) and Trans-Neptunian Object ...

dateAug 31, 2015 in Space Exploration
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