Fireballs and bright meteors are small-sized NEOs, typically centimetres to metres in diameter, that collide with the Earth. They are sufficiently small to disintegrate almost completely in the...

ESA’s Planetary Defence Office (PDO) has participated with several presentations at the 6th IAA Planetary Defense Conference held in College Park, near Washington, between 29 April and 3 May.

A newly-established collaboration between our team and the Instituto de Astrofísica de Canarias (IAC) led to the first-ever observation of an NEA with the 10.4 m Gran Telescopio Canarias (GTC). We...