Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

Exoplanet Beta Pictoris b can be seen moving around its star in this 17-year timelapse created using "AI-driven ...

MethaneSat Fails After 15 Months In Orbit is published in Aerospace Daily & Defense Report, an Aviation Week Intelligence Network (AWIN) Market Briefing and is included with your AWIN membership.

Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer.

British energy company Space Solar announced it successfully tested an in-space assembly method for its upcoming satellites.

The CAPSTONE™ spacecraft has successfully demonstrated several key technologies for lunar navigation and autonomy, including: ...

Up until now, satellites have not even been designed with refueling in mind, because, well, it wasn't possible. That will ...