Message to Attendees of the 2013 IAA Planetary Defense Conference

NASA's MarCO mission was designed to find out if briefcase-sized spacecraft could survive the journey to deep space. Now, MarCO has Mars in sight.

Caltech researchers discover a new mechanism for describing planet formation, stellar winds and more.

The next full Moon will be on Wednesday mid-day, October 24, 2018.

NASA has announced a call for Lunar Surface Instrument and Technology Payloads that will fly to the Moon on commercial lunar landers as early as next year or 2020.

Hundreds of scientists and Mars-exploration enthusiasts will convene just north of Los Angeles later this week to present, discuss and deliberate the future landing site for NASA's next Red Planet rover – Mars 2020.

NASA's Voyager 2 probe, currently on a journey toward interstellar space, has detected an increase in cosmic rays that originate outside our solar system.