Mercury is still shrinking as it cools in the aftermath of its formation; new research narrows down estimates of just how much it has contracted.

Viewing with the aid of 10x50 binoculars will bring the light cast by a stellar cluster into sharper focus, or even allow you ...

Kenna Hughes-Castleberry is the Content Manager at Space.com. Formerly, she was the Science Communicator at JILA, a physics ...

The effects of Earth's changing climate is driving up the number of legal suits related to environmental issues ...

For centuries, Earth’s moon has captivated our imaginations. From ancient myths to modern science, it’s been a symbol of ...

On Episode 173 of This Week In Space, Rod Pyle and and Tariq Malik look back at the week in space news.

If everyone turned on their lights all at once around the world, they would create a huge, sudden demand for electricity. Power plants would have to ramp up generation very quickly to avoid a system ...

The second largest moon in the solar system will cast its shadow over Saturn on Aug. 19. Grab your telescope and aim it at ...

"Being able to send something out there would enable us to take a lot more precise data than we currently can." ...

Liftoff from the company's Starbase, Texas, manufacturing and test site is expected during a launch window that begins at ...

New Glenn will also carry a secondary payload as a part of the NG-2 launch. A technology demonstration from satellite ...

Orbital transfer vehicles launch atop rockets, carrying other spacecraft that they deliver to specific, often hard-to-reach, ...