Space News

SpaceX Chief Executive Elon Musk said Nov. 7 that his company will attempt an orbital flight of a reusable version of a Falcon 9 upper stage by the middle of next year to test technologies for the company's next-generati...

Building and launching spacecraft sometimes gets so much attention that the ground segment -- user terminals, command and control systems and network operations --isn't always ready even after a satellite is in space. Sp...

University-led research could transform the future of space exploration, from small spacecraft to "smart" systems for the Moon, Mars and beyond.

Mariner 9 was the first spacecraft to orbit another planet. It arrived at Mars in 1971 and subsequently our perceptions of the Red Planet.

Operations image of the week: ESA's Proba-2 mission detects 'holes' in the Sun's corona, which emit high-speed solar wind that can affect satellites orbiting Earth

Ryals suggested a Space Development Agency could be helpful in providing a single voice for military space requirements. SpaceNews.com

This week marks the biggest annual event in the space weather calender -- European Space Weather Week. Find out what space weather is, its hazards, and what ESA is doing about it, in the latest from ESA Web TV

The bull is hard to miss as it charges through the northern winter sky. It's one of the most prominent and visible of all of the constellations.

Astronomers have witnessed, in the finest detail yet, a brutal David-vs-Goliath fight between two nearby galaxies that are tearing chunks from each other and flinging them into the gaseous Magellanic Stream, a cosmic riv...

An extraordinary account of the impact space weather had on military operations in Vietnam in 1972 was found buried in the US Navy archives, according to a newly published article in Space Weather.

Do star clusters harbor many generations of stars or just one? Scientists have long searched for an answer and, thanks to the University of Arizona's MMT telescope, found one in the Wild Duck Cluster, where stars spin at...

The Canadian military, already a partner on two U.S. military satellite communications systems, is in discussions to use a third constellation that was until recently a U.S.-only system. SpaceNews.com

Grason: "We're seeing a different type of support to get after the transformation, to elevate commercial satcom to where it needs to be, as vital infrastructure." SpaceNews.com

Astronomers think they have identified a star they believe to be about 13.5 billion years old, which would place its birth just after the Big Bang -- and it's surprisingly close to us.

The entire history of human existence is a tiny blip in our solar system's 4.5-billion-year history. No one was around to see planets forming and undergoing dramatic changes before settling in their present configuration...

Space weather describes the changing environment throughout the Solar System, driven by the energetic and unpredictable nature of our sun. Solar wind, solar flares and Coronal Mass Ejections can result in geomagetic stor...

NASA's Parker Solar Probe phoned home Wednesday (Nov. 7), confirming that it survived its first record-breaking sun flyby in good condition.

The stereotypical image of an astronaut is shaped by their spacesuit, with its puffy, white body and boxy backpack holding the life-support system.

The striking diamond shapes of the space rocks Ryugu and Bennu -- the targets of the sample-return missions Hayabusa2 and OSIRIS-REx, respectively -- apparently result from the near-Earth asteroids' rubble-pile compositi...

ESA Space Science:

Retired NASA astronaut Scott Kelly has released a photobook, "Infinite Wonder," chronicling his 340 days on the International Space Station. Here are some selections from Kelly's time there.

After spending nearly a year on the International Space Station during a record-breaking mission, retired astronaut Scott Kelly knows a thing or two about orbiting the Earth.