Asteroid making its closest approach to Earth this week

On 4 February, asteroid 2011 MD will make its closest approach to the Earth. Though it will not be visible with the naked eye, the asteroid will pass 15,000,000 km away from Earth—much closer than those in the asteroid ...

NASA's fission surface power project energizes lunar exploration

NASA is wrapping up the initial phase of its Fission Surface Power Project, which focused on developing concept designs for a small, electricity-generating nuclear fission reactor that could be used during a future demonstration ...

Watch a house-sized space habitat (intentionally) burst

We live in an age of renewed space exploration, colloquially known as Space Age 2.0. Unlike the previous one, this new space age is characterized by inter-agency cooperation and collaboration between space agencies and the ...

Study predicts best times for Curiosity to sample Mars' methane

Since methane was first detected in Mars' atmosphere 20 years ago, scientists have struggled to uncover its origins and how it is transported around the Red Planet. Measurements from atmospheric samples collected by NASA's ...

Hubble views NGC 3384, a galaxy settling into old age

NGC 3384, visible in this image, has many of the characteristic features of so-called elliptical galaxies. Such galaxies glow diffusely, are rounded in shape, display few visible features, and rarely show signs of recent ...

NASA regains contact with mini-helicopter on Mars

NASA has re-established contact with its tiny helicopter on Mars, the US space agency said Saturday, after an unexpected outage prompted fears that the hard-working craft had finally met its end.

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