The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case ...

NASA has responded to speculation that mysterious interstellar object 3I/ATLAS is actually an alien starship preparing to invade Earth.

The Cygnus XL spacecraft looks a lot like Northrop's previous missions to the station. It has a service module manufactured at the company's factory in Northern Virginia. This segment of the ...

This mission will showcase the capabilities of Astranis and Impulse to rapidly deploy satellites to geostationary orbit without the use of a Heavy-class rocket, a mission profile appealing to ...

Busek Co., a leading manufacturer of high-performance electric propulsion technology for spaceflight, and Maxar Space Systems ...

Scientists have developed a new form of nuclear propulsion that they claim could slash mission times to Mars and enable ...