Begun, preparation for orbital wars has China has practiced co-ordinated satellite maneuvers in space that resemble aerial ...

US military officials believe Russia and China are aggressively testing new offensive space capabilities, pointing to a ...

Astronomers are racing to protect the dark skies as private companies seek to place large advertisements in Earth orbit ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

That creates a constant risk of collision for active satellites and for the International Space Station — a problem so severe that several surveillance networks across the globe ...

Satellites connect people around the world but they also interfere with astronomers’ views of the cosmos. There are ways to ...

In the first few months of 2025, there's been a flurry of private venture space missions. Some have been successful, such as ...

SpaceX and other companies plan to launch tens of thousands of satellites, which could mar astronomical observations and pollute the atmosphere.

Hypervelocity impacts from space debris pose significant risks to spacecraft and satellites in outer space. To address this ...

Satellites need propulsion systems for a number ... The first is that while space junk may seem like a free resource, the UN Outer Space Treaty (OST) states that ownership of objects launched ...

pointing to a series of satellite training missions conducted by both countries in recent months as growing evidence of an effort to weaponize outer space. As recently as last week, Russian ...