July 14
September 28
October 31
November 30
December 22
NASA's New Horizons spacecraft
performs a close flyby of Pluto,
becoming the first spacecraft in
history to visit the distant world.
NASA announces that liquid
water has been found on Mars.
An Airbus A321 airliner en route
to Saint Petersburg crashes near
Al-Hasana in Sinai.
The 2015 United Nations Climate
Change Conference is held in
Paris, attended by leaders from 147
nations.
SpaceX lands a Falcon 9 rocket,
the first reusable rocket to
successfully enter orbital space
and return.