Getting WISE About Nemesis

Is our Sun part of a binary star system? An unseen companion star, nicknamed 'Nemesis,' may be sending comets towards Earth. If Nemesis exists, NASA's new WISE telescope should be able to spot it.

NASA kicked asteroid off course in test to save Earth

NASA on Tuesday celebrated exceeding expectations during a mission to deflect a distant asteroid, in a sci-fi like test of humanity's ability to stop an incoming cosmic object from devastating life on Earth.

Europe and US teaming up for asteroid deflection

Asteroid researchers and spacecraft engineers from the US, Europe and around the world will gather in Rome next week to discuss the latest progress in their common goal: an ambitious double-spacecraft mission to deflect an ...

AIDA double mission to divert Didymos asteroid's Didymoon

An ambitious joint US-European mission, called AIDA, is being planned to divert the orbit of a binary asteroid's small moon, as well as to give us new insights into the structure of asteroids. A pair of spacecraft, the ESA-led ...

Testing mini-radar to peer inside asteroid

A specially upgraded radio-frequency chamber in ESA's technical heart is testing what is set to become the smallest radar system to be flown in space, hosted aboard a breadbox-sized spacecraft.

CubeSats joining Hera mission to asteroid system

When ESA's planned Hera mission journeys to its target binary asteroid system, it will not be alone. The spacecraft will carry two tiny CubeSats for deployment around – and eventual landing on – the Didymos asteroids. ...

ESA plans mission to smallest asteroid ever visited

ESA's planet-defending Hera mission will set a new record in space. The asteroid investigator will not only be the first spacecraft to explore a binary asteroid system – the Didymos pair – but the smaller of these two ...

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