“If there are some other technological species that are more advanced than we are, then this could be a viable means of transportation for them."
“If we can’t build something capable of delivering astronomical levels of energy, perhaps we could instead steal the energy from an astronomical object.”
The Advanced Diffractive MetaFilm Sailcraft could squeeze more energy out of light than traditional reflective sails.
One country's orbital mechanic could be another’s saboteur.
"I think the appropriate reaction is 'mild curiosity' rather than 'worry.'"
After decades of delay and budget constraints, the Laser Interferometer Space Antenna (LISA) is a go.
The spacecraft's crash into a comet topped the list of Livestream's most-viewed live videos of 2016.
The infant space program says it will "definitely" land on the moon by 2020.
Farewell, Yutu, you reached for the Moon.
In space, no one can hear you scream.
Decades in the making, this small spacecraft is opening up the outer Solar System.