“What?” NASA astronaut Peggy Whitson exclaimed after her fellow Shane Kimbrough radioed her saying, “Peggy, I don’t have a shield.” It was Thursday, March 30, 2017, and Whitson was tethered to the ...

BEIJING -- A new study has revealed that observing Earth from the moon serves as a powerful way of seeing the planet's true, global radiation signature, cutting through the "noise" of local weather to ...

The views of the setting sun are just as spectacular from space as they are on Earth.

Earth's radiation budget is a core process of the Earth-atmosphere system, closely linked to global climate and environmental ...

The rare 3I/ATLAS alignment on Jan. 22 coincides with the 'opposition surge' phenomenon. Learn the mystery of this 13-billion-year-old visitor.

After 20 years, being able to look at any corner of the planet in Google Earth doesn’t seem that impressive, but it was a revolution in 2005. Google Earth has gone through a lot of changes in that ...

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...