Kosmos-482, which was headed to Venus, is expected to re-enter Earth’s atmosphere by the end of this weekend. Experts don’t ...

As the night sky became polluted with light from electrified cities, people built planetariums. Today, they’re more ...

For the first time, astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes ...

NASA's newest space telescope, on a mission to study origins of universe, snapped incredible images of the cosmos 2 months after it got off the ground ...