"Callisto, Themis and Skyhopper are different demonstration programs contributing to the development of a European reusable ...

The International Space Station is marking 25 years of nonstop human presence in orbit. Nearly 300 people have lived aboard ...

High above Earth, satellites like the European Union's Copernicus Sentinel-2 watch and track storms such as Hurricane Melissa ...

Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could ...

Comet 3I/ATLAS reaches its closest point to the Sun today, facing a final test of Avi Loeb's 'alien ship' theory. Will it ...

Interstellar comet 3I/ATLAS reaches perihelion hidden from Earth's view. Learn why NASA and ESA spacecraft have a front-row ...

Comet 3I/Atlas is soon going to be closest to the Sun in its journey through our solar system. Here are five facts that shed ...

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...

Another near-term application is the quantum gravity gradiometer being developed by the NASA Jet Propulsion Laboratory and NASA Goddard Space Flight Center.

Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could make it a reality.

NASA said the comet will pass slightly inside Mars’ orbit when it reaches this point, around October 30, 2025, at a distance of about 1.4 AU, or approximately 130 million miles. | World News ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...