Low Earth orbit is undergoing the fastest expansion in its history. However, the nature of the payload is changing. We are moving past simple “bent-pipe” communication relays — where a
Low Earth orbit is undergoing the fastest expansion in its history. However, the nature of the payload is changing. We are moving past simple “bent-pipe” communication relays — where a
WASHINGTON — NASA plans to test SpaceX’s Starshield satellite network, designed primarily for national security customers, to support operations of the agency’s Deep Space Network. In a Dec. 11 procurement
NASA A camera on the International Space Station captured this Oct. 2, 2025, photo of the Bassac River in Cù Lao Dung, a river islet district in southern Vietnam. The
TAMPA, Fla. — Palo Alto startup Apolink has picked GomSpace to build the radio frequency subsystem for its first relay cubesat, aiming to show how signals can be received from
United Launch Alliance’s Atlas 5 rocket stands at the pad at Space Launch Complex 41 at Cape Canaveral Space Force Station ahead of the launch of the Leo Atlas 04
Elements of the deep water cycle on rocky planets that are discussed in this chapter. Reservoirs are labelled in sans serif font. The dominant form of ‘water’ in certain reservoirs
How will Science Fiction inspire the way in which we mount Astrobiology missions to other worlds? Grok via Astrobiology.com Students in our introductory courses are often familiar with astronomy concepts
Schematic picture of the system assumed in this study. (a) A supernova explosion occurs at a distance 𝑑 from the protosolar disk, and (b) the expanding supernova shockwave contacts the
Prior to ca. 2.32 Ga, during deposition of the upper Rooihoogte and lower Timeball Hill formations, atmospheric pO2 10−6 PAL facilitated sulfur isotope mass-independent fractionation (S-MIF) signatures and a global ocean dominated
Representative SEM images of jarosite synthesized at 25 °C (Fe2+ oxidation) and under hydrothermal conditions (Fe3+ hydrolysis). For each halogen-bearing group, the sample with the highest halogen content is shown.





