Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the ...

NASA explains how a 'ring of fire' annular solar eclipse occurs and how it differs from a total solar eclipse. WARNING: ...

Proba-3 is creating artificial solar eclipses in space, giving scientists a steady new way to study the Sun’s inner corona ...

NASA will preview two January spacewalks at the International Space Station, outlining planned tasks, timelines, and astronaut roles during a media briefing ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

Its crinkled gold thermal insulation, metallic structures, and the cup-shaped reflective thruster are not just aesthetic ...

Harvard's Avi Loeb reveals why interstellar visitor 3I/ATLAS could be an alien 'Trojan Horse' by design rather than a natural ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

From crewed lunar voyages to flight tests of fully reusable rockets and launches of new orbital telescopes studying the outer ...

I/ATLAS is not unique, in the sense that there could be billions and trillions of such objects in the Milky Way. In fact, ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...