Space News

When Galileo viewed Jupiter through his telescope in 1610, he saw four dim objects near it that he assumed were stars. Repeated observations revealed that these "stars" orbited Jupiter like our own moon circles Earth. Th...

Intelsat warned investors to expect a rough ride over the next year or two as the company awaits the arrival of its Epic high-throughput satellites and the revenue growth they are designed to provide. The post Intelsat W...

Life as a forecaster is not easy. Just ask National Weather Service forecasters who misjudged how a recent winter storm would impact the Big Apple. Now imagine trying to predict weather activity on a burning sphere 1.3 m...

A series of upcoming spacewalks at the International Space Station will begin a day late.

NASA's Mars Atmosphere and Volatile Evolution has completed the first of five deep-dip maneuvers designed to gather measurements closer to the lower end of the Martian upper atmosphere.

Host: Fraser Cain (@fcain) Guests: Ramin Skibba (@raminskibba) Dave Dickinson (@astroguyz / .astroguyz.com) Special Guest: Charles Black (@charlesblack / sen.com/charles-black) (...)Read the rest of Weekly Space Hangout ...

MIT Kavli Institute: Abstract: Cosmic background neutrinos are nearly as abundant as cosmic microwave background photons, but their mass, which determines the strength of their gravitational clustering, is unknown. Neutr...

Europe's ATV-5 cargo transport that was sent on a destructive atmospheric-reentry orbit Feb. 15 was unable to send imagery from an infrared camera as the vehicle broke up over the South Pacific Ocean, the European Space ...

EchoStar Corp. said its Hughes consumer satellite broadband service provider reported a slowdown in net subscriber additions in the three months ending Dec. 31 as it reaches the saturation point on several of its satelli...

A space fan crafted a model of the International Space Station made from 280,000 matchsticks. Check it out here.

On July 14, 2015, the New Horizons spacecraft will fly by Pluto, passing the surface by just a little over 12,000 kilometers. This will be the first time in history we'll have seen the little world and its moons close up...

NASA Lunar Science Institute: Robotic probes could help us collect samples from the Moon, potentially revealing the origins of our solar system. Representatives of the American Geophysical Union (AGU) asked SSERVI's Davi...

The team working on the leading concept for a mission to Europa believes it can be ready for launch as soon as 2022, several years ahead of the schedule NASA officials recently stated. The post Europa Clipper Team Seekin...

Construction has begun on the Thirty Meter Telescope, despite continuing opposition by cultural and environmental activists --

NASA this week begins work to reassemble parts of the International Space Station to create parking spots for two commercial space taxis.

Orbital ATK, builders of the Space Shuttle Solid Rocket Motors and of the future Space Launch System, describe the avionics system for their March 2015 static-fire test of the booster in Promontory, Utah.

Sam Cristoforetti @AstroSamantha Follow the Orange river into the ocean. It marks the border between #SouthAfrica and #Namibia. #HelloEarth...

Cosmologists are intellectual time travelers. Looking back over billions of years, these scientists are able to trace the evolution of our Universe in astonishing detail. 13.8 billion years ago, the Big Bang occurred. Fr...

Satellite fleet operator SES has agreed to be the inaugural customer aboard an enhanced version of SpaceX's Falcon 9 rocket, a decision that SES said followed a careful review of Falcon 9's more-powerful first stage engi...

As our David Dickinson noted in his recent article, a new term is “creeping into the popular astronomical vernacular: that of a 'Black Moon'.” This is the New Moon version of a Blue Moon, and is either: A month missi...

The evolution of galaxies is connected to the growth of supermassive black holes in their centers. During the quasar phase, a huge luminosity is released as matter falls onto the black hole, and radiation-driven winds ca...

As the sun skims through the galaxy, it flings out charged particles in a stream of plasma called the solar wind, and the solar wind creates a bubble extending far outside the solar system known as the heliosphere. For d...