The CEO of the aerospace company mentioned the timeline during the first meeting of the National Space Council.
The revelation comes after an analysis of lunar maria samples – large, dark, basaltic plains formed by ancient volcanic eruptions.
A bird crossed the Sun at the exact same time as the ISS, which was flying past at over 28,000kms per hour.
Triton is the largest of Neptune's 13 moons and Nasa says that is has not been studied in 16 years. Nasa is using its flying observatory Sofia for this mission.
The arm started to experience wear and tear, with one of its two original Latching End Effectors needing a replacement.
"There are now five different lines of observational evidence pointing to the existence of Planet Nine," says planetary astrophysicist Konstantin Batygin.
Vice President Mike Pence has said that the Trump administration is intent on sending Americans to the Moon.
The video shows Russian cosmonauts performing maintenance tasks as well as launching nanosatellites.
A new study indicates that an "uneven dust cloud" moving around the star may be causing the strange dimming, likely ruling out the alien megastructure theory.
Russian space corporation Energiya is set to make a decision about a super-heavy carrier rocket that can boost the country's moon station ambitions.
Russian officials have recognised the challenge posed by SpaceX and others but - 60 years after Sputnik - can the nation ever hope to regain its place in the global market?
Volcanoes on Mars are the largest in the Solar System.
Gravitational waves were detected for the first time in 2015, proving Albert Einstein correct 100 years after he predicted their existence.
Giant solar storm could wipe out satellites and electricals but scientists propose giant magnetic shield to protect Earth
It was previously thought that ice and water could not exist around Mars' equatorial region.