There might be an unknown 9th planet that orbits far from Earth, on the outer fringes of our solar system. You can help astronomers find it, if it exists!
SpaceX is scheduled to launch its Dragon spacecraft resupply mission to the International Space Station no earlier than 10:01 a.m. EST (1501 UTC) on Saturday, February 18. How to watch.
Space visionaries might have figured out a way to travel within decades to the nearest star system, Alpha Centauri. But, once we get there, how do we slow down?
An astrophysicist and an ecologist are combining their expertise using drones, thermal cameras and the techniques used to analyse objects in space in order to help endangered species.