A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have ...

It's a key problem that will need to be addressed if humans are to attempt deep-space, long-duration missions. Not only is radiation exposure a dangerous health risk to humans, but it also poses a ...

In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep ...

It's happening close to home – in the nearest bit of space, right on the edge of Earth's atmosphere ... to harvest molecules from the thin layer of air that is present in VLEO in order to ...

Explore the impact of stellar flares on the potential for alien life. Discover how higher levels of UV radiation can both ...

Coal is a fossil fuel formed by layers ... atmosphere and fall back to the ground in the form of acid rain. Burning coal also releases carbon dioxide, an odorless, colorless gas that traps the ...

2025 — New work offers insight into how early life adapted from a low-oxygen atmosphere to the one that exists ... Life-Bearing Water Arrived on Earth Later Rather Than Sooner Feb. 3 ...

Web managers were told to identify, archive or unpublish materials ... how a decades long international effort to heal the ozone layer could be applied elsewhere. Gina McCarthy, former White ...

In 2024, the level of greenhouse gases in the atmosphere reached the highest annual ... The sun may be the key to all life on Earth, but it is not the reason global temperatures have been rapidly ...

Astrophysicists have long theorized that there should be planets out there that are, in size, somewhere between Earth and ...

From Reagan's Star Wars to Trump's Iron Dome vision, the quest for an American missile shield faces harsh technical realities ...

This is determined by using the isotopes of carbon in atmospheric CO 2 to identify ... in the atmosphere over the past 2000 years. Blue data are measured from air extracted from Antarctic ice cores ...