High-density lipoproteins (HDL), also known as "good cholesterol," remove excess cholesterol from the body's tissues and transport it to the liver. This process is known to prevent atherosclerosis, ...

MAUI SPACE SURVEILLANCE COMPLEX, Hawaii—China is “intentionally trying to do things” in space “so we don’t see it,” from changing the brightness of their satellites to maneuvering in what it believes ...

Working from computer screens in chilly rooms, the force has emerged as a vital part of America’s war machine amid increased competition from China and Russia. It looked more like a satellite ...

The cosmos has long been a canvas for creatives who imagine a future where people live among the stars. Now, humanity stands at a pivotal juncture as the laborious, expensive and high-stakes process ...

It has been two weeks since SpaceX’s last Starship test flight, and engineers have diagnosed issues with its heat shield, identified improvements, and developed a preliminary plan for the next time ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding my work at Lifehacker as a preferred source. Instead of relying solely on ...

It has been two weeks since SpaceX's last Starship test flight, and engineers have diagnosed issues with its heat shield, identified improvements, and developed a preliminary plan for the next time ...

The corporate space world tired Bianca Cefalo to the point that she found it easier to literally start her own space company and launch objects into orbit. Cefalo is the founder of Space DOTs, which ...

Did you know nearly 17,500 satellites have been launched since 1957? Or what about the fact that more than 10% of those launches weren't registered internationally? While more and more orbital objects ...

He was only 37 when he made a discovery that challenged the existing tenets of biology and led to an understanding of retroviruses and viruses, including H.I.V. By Gina Kolata David Baltimore, a ...

Spectral fingerprinting analysis identifying three distinct types of construction concrete at three likely bomb-penetration sites. No concrete was detected at a fourth location. Credit: Orbital ...

Francesco Cacciatore is a self-proclaimed skeptic. Yet after spending two decades in the European aerospace industry and hitting, as he put it, a “crisis,” he made an undeniably optimistic bet: He ...