Asteroid-hunting spacecraft delivers a second year of data

NASA's Near-Earth Object Wide-field Survey Explorer (NEOWISE) mission has released its second year of survey data. The spacecraft has now characterized a total of 439 NEOs since the mission was re-started in December 2013. ...

Novel calculations peg age of 'baby' asteroid

An asteroid dubbed "Lucy's baby" after a NASA spacecraft discovered it is orbiting another asteroid last November is,, in fact,, a solar system toddler—just 2–3 million years old, a Cornell-led research team estimates ...

Image: Tunguska devastation

Fallen trees at Tunguska, Imperial Russia, seen in 1929, 15 km from epicentre of aerial blast site, caused by explosion of a meteor in 1908 (Photo N. A. Setrukov, 1928).

World's researchers prepare for a cosmic encounter

(PhysOrg.com) -- The first International Academy of Astronautics Planetary Defence Conference is being held in Granada, Spain, on 27-30 April. Among the topics under discussion will be preparations for the near-Earth flyby ...

Asteroid won't hit Earth – but it will get close

The asteroid 2013 TX68 will come fairly close to Earth in early March, but the exact time and distance of its closest approach will not be known until after the fact. Sean Marshall, a fifth-year Cornell University PhD student, ...

New research reveals invisible meteors

In a new thesis from the Swedish Institute of Space Physics and Umeå University, unique methods for the analysis of radar data and simulations of meteoroids in the solar system are presented. The methods have been applied ...

NASA's Lucy asteroid target gets a name

The first asteroid to be visited by NASA's Lucy mission now has a name. The International Astronomical Union has approved the name (152830) Dinkinesh for the tiny main belt asteroid that the Lucy spacecraft will encounter ...

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