Low Earth orbit has shifted from a quiet scientific outpost to one of the busiest pieces of real estate in human history.

Earlier this week, rumors were circulating online that the Earth will have a second moon until 2083. The truth is, the Earth’s orbit does have a new guest, but it isn’t exactly a new moon. In ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Having said that, there is a very real issue facing the telescope, which could soon come hurtling straight back to Earth if scientists don't act soon. Hubble's biggest hurdle right now is gravity, as ...