Melting icebergs could play significant role in slowing down warming

The melting of Antarctic ice sheets is one of the most visceral consequences of climate change, but the full extent of their impact on the cycle remains mostly unknown. Now, researchers from the US and South Korea have run climate simulations… Continue reading Melting icebergs could play significant role in slowing down warming

Long-missing, potentially dangerous asteroid finally rediscovered – and it won't hit Earth

An artist's rendition of an asteroid swinging past Earth

Of all the things you don’t want to lose, an asteroid with a chance of striking Earth is pretty high up the list. A space rock called 2006 QV89 has been missing in action for 13 years, after it was discovered to be on an orbit that regularly brought it too close to Earth for comfort. Now astronomers have finally found it again, and ruled out an impact within the next century.

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Continue Reading Long-missing, potentially dangerous asteroid finally rediscovered – and it won’t hit Earth

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Continue reading Long-missing, potentially dangerous asteroid finally rediscovered – and it won't hit Earth

Map of nothing: Astronomers size up the vast void next door to the Milky Way

Our home galaxy is right on the border of a void so vast it’s hard to picture. To get a better idea of its shape and size, a team of astronomers has mapped out the edges of this extragalactic emptiness, and calculated just how much gravitatio… Continue reading Map of nothing: Astronomers size up the vast void next door to the Milky Way