Make plans now to step outside just before sunset on Saturday, April 12. If you do, and if the sky is clear, you’ll be able to watch the beautiful full ...

NASA has discovered a new world, named Gliese 12 b. It is roughly the size of Earth, lies in the habitable zone, and orbits every 12.8 days.

Illustration showing small primordial black holes. However, in reality, these tiny black holes would struggle to form the accretion disks that make them visible in the image. Primordial black holes ...

In the coming days ahead, if any of your friends or relatives remark to you that they saw a "strange UFO" on the way to work ...

A team that includes aerospace engineers, historians and writers have proposed retrieving the 67-year-old Vanguard 1 ...

If there were any contender for a real-life equivalent to the Oliphaunts of J.R.R. Tolkien’s Middle Earth, it would be ...

All of the human spaceflights that preceded the Fram2 mission have orbited the Earth from east to west. This flight, aboard a SpaceX Crew Dragon spacecraft, is the first to follow a 90-degree ...

Trump aims to send a crew to Mars by the end of his term, which Musk calls 'doable.' Astronauts question the time frame but said a flight would soon be possible ...

The space rock is expected to zoom past our planet at a zippy 28,655 miles per hour, according to the space agency.

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Billionaire entrepreneur Elon Musk on Tuesday reshared images of the first views of Earth's polar regions captured by ...