Abstract: Low-earth-orbit (LEO) mega-constellations with inter-satellite links (ISLs) are becoming the Internet backbone in space. Satellites within LEO often need the capability to enforce data ...

Abstract: Mega-satellite constellations have the potential to leverage inter-satellite links to deliver low-latency end-to-end communication services globally, thereby extending connectivity to ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535, which is situated about 50 million light-years away in the constellation Virgo (the Maiden). Through a small telescope, ...

Regulus is the brightest star in the zodiacal constellation Leo. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The waning gibbous moon shines ...

The Navy began procuring Constellation (FFG-62) class frigates in FY2020. Prior to November 2025, Navy plans called for procuring a total of at least 20. Six were procured through FY2025, including ...

Officials in Crans-Montana, the Swiss alpine resort town where a bar fire killed 40 people last week, are facing growing accusations of lax oversight. By Aurelien Breeden and Ségolène Le Stradic ...

January doesn’t skimp on cosmic sightseeing. The month begins with a vibrant supermoon, continues with the year’s best Jupiter view, and ends with multiple moon-planet conjunctions. Aurora activity ...

Pics or it didn’t happen, as they say, meaning if you don’t capture a moment in photos or video and then share it online, what’s the point? We’ve written extensively on the growing societal obsession ...

A haunting new photo captured the moment lit sparklers attached to champagne bottles ignited the ceiling at the Le Constellation nightclub in Switzerland — as officials have now confirmed the flares ...

Nathan Huguenin, 19, said he wasn't able to sleep after escaping from the fire that tore through a packed Swiss ski resort bar during a New Year's party, killing dozens of people, many in their teens ...

Microsoft and Constellation Energy have spent the last year trying to resurrect the Three Mile Island Nuclear power plant in Pennsylvania. The plant shut down in 2019 under economic pressure, after a ...