New FAA rules mean that despite reaching the edge of outer space, Amazon founder Jeff Bezos is no astronaut.

'You can dislike Bezos’ politics - I do - but you cannot dismiss what he has accomplished. Or Elon Musk, or Richard Branson.'

Space tourism is moving closer to being a reality after Sunday's flight by Richard Branson when he and five people went to space.

'Ideologically corrupted social theorists are hijacking astrophysics to misinterpret history by using unfalsifiable social theories.'

It is a breathtakingly beautiful astronomical phenomenon that occurs when the moon’s orbit brings it directly between the sun and earth.

The Air Force is investing $47.9 million in the ability to launch and land 100 tons of cargo anywhere in the world in less than an hour.

American science should be advanced in a reasonable manner, not with congressional bailouts for a billionaire's private space program.

'This has been going on for years. The truth is just emerging,' said Christopher Mellon, a former deputy assistant secretary of defense.

This month was not the first time that China's Long March rockets presented a clear and present danger to people on the ground.

Are the UFOs being reported by the Pentagon merely high-altitude drones and balloons, or are they evidence of extraterrestrial life?