Space News

A massive solar storm is bombarding Earth today (March 17), sparking stronger than normal auroras for St. Patrick's Day. The solar storm poses no threat to satellites, but may affect GPS and radio signals.

NASA's MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) mission, now nearing the end of its fourth and final year of orbital operations at Mercury, is well into a low-altitude campaign that is re...

NASA's MESSENGER Mission: Today, the MESSENGER team celebrates the fourth anniversary of the spacecraft's Mercury orbit insertion. On the evening of March 17, 2011 (EDT), the spacecraft made history when it became the fi...

Titania and Miranda offer up great views and places to explore, but both of the moons suffer from extreme cold and very low gravity.

Titania, an airless moon of Uranus, is cold and its day is 84 years long. See what it would be like for astronauts on Titania in this Space.com infographic.

Russia plans to retire its Proton rocket, a heavy-lift workhorse with 50 years and 400 successful missions under its belt, in 2025, some four years after its replacement becomes operational. The post Russia Aims To Retir...

Arianespace Press Releases: The two Galileo navigation satellites for Arianespace's upcoming medium-lift flight have "joined up" with their payload dispenser system - a key step in the preparations for this March 27 miss...

The year 2015 is packed full of amazing astronomical sights in the daytime and nighttime sky, from solar and lunar eclipses to dazzlingly bright planets. See our list of the 9 best stargazing events of the year.

Fans of the science fiction epic "Interstellar" don't have to wait until March 31st to watch the movie at home: a digital HD version is available starting today (March 17).

See images of the sun's activity during 2015 in our Space.com gallery.

As a spacecraft prepares a planned death plunge into the planet's surface, the mission has sent back some of the best images ever taken of Mercury --

As the MESSENGER spacecraft prepares a planned death plunge into the planet's surface, the mission has sent back some of the best images ever taken of Mercury --

NASA's Goddard Space Flight Center:

Researchers have discovered two seafloor troughs that could allow warm ocean water to reach the base of Totten Glacier, East Antarctica's largest and most rapidly thinning glacier....

A strong G3 geomagetic storm surged across the planet this morning producing a spectacular display of the northern lights. Some of you may who may have risen to see the new nova were no doubt as surprised as the NOAA spa...

An impressive sculpture is now in place at the main entrance of New Mexico's Spaceport America. Artist Otto Rigan has created GENESIS - a 2.5 ton sculpture that is 40 feet wide, 23 feet high and 5 feet deep.

China booster builders are slated to augment their Long March family of launchers this year and in 2016. According to Chinese news services, the country will soon fly their Long March 6 - likely in the middle of this yea...

Stephen Spengler, who takes over as Intelsat's CEO come April, doesn't minimize the difficulties the erstwhile top FSS operator faces. But he also stressed the renewed dynamism of the satellite telecom sector as SpaceX, ...

After two rounds of comments and questions from the journal referee, the first paper discussing the detailed results of the Hubble observations of the giant ionized clouds we’ve come to call Voorwerpjes has been accept...

NASA's Jet Propulsion Laboratory recently announced that it is developing a small drone helicopter to scout the way for future Mars rovers. Why would Mars rovers need such a robotic guide? The answer is that driving on M...

As a spacecraft prepares a planned death plunge into the planet's surface, the mission has sent back some of the best images ever taken of Mercury --

In Hollywood blockbusters, explosions are often among the stars of the show. In space, explosions of actual stars are a focus for scientists who hope to better understand their births, lives, and deaths and how they inte...