Two independent studies have revealed groundbreaking insights about the brown dwarf Gliese 229 B, a discovery that reshapes ...

Within GRAVITY’s combined observations, Xuan’s team discovered that Gliese 229 B was not a single object, but a pair of brown ...

that circle one another every 12 days as they orbit their sun every few hundred years. We sought to test whether Gliese 229 B is a brown dwarf binary. To evade astronomers’ notice for 30 years ...

And that was exactly the case: Gliese 229 B is composed of a 38-Jupiter-mass brown dwarf in a mutual orbit with a 34-Jupiter-mass brown dwarf, orbiting each other just 4 million miles (6.4 million ...

NASA's technology-demonstrating Advanced Composite Solar Sail System (ACS3) has a bent boom in Earth orbit, a newly released photo shows. The ACS3 spacecraft launched April 23 to test key aspects ...

These five satellites are the largest commercial communications arrays ever launched in low Earth orbit," commented Abel Avellan, Founder, Chairman and CEO of AST SpaceMobile. "It is a significant ...

When Mark Walter, founder of investment firm Guggenheim Partners, bought the bankrupt Los Angeles Dodgers in 2012, many thought he’d overpaid. The $2.1 billion was almost double what anyone had ...

NASA has announced that an airplane-sized “city killer” asteroid will skim past Earth today — one of four “hazardous” space rocks to graze our orbit in less than 12 hours. Dubbed 2002 ...

They are one half of the overarching Next-Gen OPIR constellation, which also includes two satellites to be stationed in geosynchronous Earth orbit (GEO) being built by Lockheed Martin. Those ...

The Boeing-made Intelsat 33e satellite broke apart in orbit over the weekend. But company representatives don't yet know why. Boeing's Intelsat 33e satellite — a large communications satellite ...

With "Thousand Sails," China joins the race to fill up Low Earth Orbit with mega-satellite constellations. It's getting crowded up there in Low Earth orbit (LEO). By now, flocks of Starlinks have ...

Related: Ariane 5 successfully places 2 Intelsat satellites Into orbit Intelsat-33e launched Aug. 24, 2016 aboard an Arianespace Ariane 5 rocket and began operations in January 2017, according to ...