Abstract: The space environment is becoming increasingly crowded, raising the likelihood of collisions between satellites. Accurate prediction of satellite orbits is crucial for space transportation ...

Abstract: Initial orbit determination (IOD) is an important early step in the processing chain that makes sense of and reconciles the multiple optical observations of a resident space object. IOD ...

The place where I grew up has a body. To anyone passing through on the way to Boston, it may look like every other small town in Massachusetts, but I know what’s underneath the skin. Main Street is ...

Liftoff occurred at 6:31 p.m. EST on Sunday (Jan. 18). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Another Starlink launch is now in the ...

The NASA spacecraft set to take Americans on a journey around the moon, as part of the agency's Artemis II mission, reached its launch pad on Saturday evening at the agency's Kennedy Space Center in ...

For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research that is transforming life on Earth and shaping the future of exploration.

Subtle shifts in Earth's orbit shaped ancient lake climates — and where oil-rich shale formed as a result. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

NASA has made an "unprecedented" decision to bring a crew home early from the International Space Station after a medical emergency in orbit, marking the first time in the station’s 25-year history ...