Nasa has devised three strategies for potentially sparing Earth annihilation by asteroid, with each method's effectiveness determined by the size and composition of an asteroid and how much warning there is
3 min read22 Jun 2018The binary asteroid 300163 (2006 VW139), discovered by Nasa's Hubble in Sept 2016, has comet-like features including a bright halo of material, called a coma, and a long tail of dust
2 min read21 Sep 2017Nasa says asteroid J025 of over 400 meters wide will pass close to Earth today, zooming by at a distance of just over 1.8 million km, but with no chance of impact
1 min read19 Apr 2017The study suggests that the parent objects were completely destroyed when they came too close to the Sun - leaving behind streams of meteors but no parent NEOs
2 min read18 Feb 2016The asteroid could fly as close as 11,000 miles from Earth on 5 March, according to scientists at Nasa
1 min read6 Feb 2016Nasa has selected 5 science investigations for refinement during the next year as a first step in choosing one or two missions for flight opportunities as early as 2020
2 min read1 Oct 2015