Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

Right angle Illustration of 2M1510 showing the orbits of the two brown dwarfs (in blue) and that of the planet (in orange). (Courtesy: ESO/L Calçada) The first strong evidence for an exoplanet with an ...

Some problems grow quietly, almost politely, until they stop being ignorable. Space junk is one of those. It does not ...

Humans are traveling farther into space than ever before. We look at the physics of launch – how to send something up and how it can come crashing back down. Now is an exciting time for space ...