In Chinese thought, autumn is with the direction west, considered to be the direction of dreams and visions.

For anyone who wants to grow up and be an astronaut .... here's a lovely video with advice from ESA astronaut Luca Parmitano.

The health impact of wildfire exposure depends in part on the fire itself and how much smoke a person breathes in, how often and for how long.

Keep track of where NASA's Mars 2020 Perseverance is on its journey through space toward its February 18, 2021, landing on Mars. This web app shows you where spacecraft is right now.

Video and images of the weirdly orange skies across the U.S. West this week, created by massive wildfires that incinerated several communities in Oregon in the past 2 days and blotted out the sun in San Francisco.

The researchers called their new analytical technique "a milestone in SETI." One researcher commented: "We now know that fewer than one in 1,600 stars closer than about 330 light years host transmitters just a few times more powerful than the strongest radar we have here on Earth."

A new report concludes that large constellations of bright satellites in low-Earth orbit will fundamentally change ground-based astronomy and impact the appearance of the night sky for stargazers worldwide.

Take a couple of minutes and have a little fun with this new video from NASA

The long journey of these compounds - likely originating in the U.S. and Eurasia - shows the far-reaching impacts of industrial pollution.

The Japan Aerospace Exploration Agency said this week that it has now been officially informed that its Hayabusa2 space capsule - carrying precious dust captured from the surface of near-Earth asteroid Ryugu - is approved for landing in Australia.