Space News

The Sunspot Number is a crucial tool used to study the solar dynamo, space weather and climate change. It has now been recalibrated and shows a consistent history of solar activity over the past few centuries. The new re...

NASA Television will broadcast live coverage of a six-hour spacewalk by two Russian crew members aboard the International Space Station beginning at 9:45 a.m. EDT Monday, Aug. 10.

Astronomers have announced the discovery of a truly monstrous structure consisting of a ring of galaxies around 5 billion light-years across -- and it defies cosmological theory.

The Defense Advanced Research Projects Agency (DARPA) awarded Boeing $6.6 million late last month, bringing the value of the company's XS-1 contract to $16.6 million.

NASA's NEOWISE mission has tracked down an elusive family of asteroids that shun regular orbits in the asteroid belt, instead preferring a crazy roller coaster ride through the solar system's equatorial plane.

NASA's Jet Propulsion Laboratory News and Features:

IAU Press Releases:

This colorful bubble is a planetary nebula called NGC 6818, also known as the Little Gem Nebula....

NASA is launching an official Tumblr profile that will give Tumblr users a regular dose of space in a blog-like format through text, photos, videos and more.

Tory Bruno, the president and chief executive of United Launch Alliance, took to Twitter to discuss the heritage of his company's new Vulcan rocket.

Over the next few nights, observers with clear skies and a great view of the low western horizon may be able to observe a triple conjunction between the planets Mercury and Jupiter and the bright star Regulus.

Ceres, a dwarf planet that lies between Mars and Jupiter, appears to have significantly fewer craters on its surface than expected -- now scientists have to figure out why.

Discovering the first true “alien Earth” is a long-held dream of astronomers. Recent exoplanet discoveries suggest that their dream will come true in the not-too-distant future --

NASA Commentator Dan Huot talks with Jorge Sotomayor, the Expedition 44 lead increment scientist, about some of the highlights of recent science research on the International Space Station, including the upcoming first-e...

About a third of our Milky Way's stars have migrated far from their birth-places. Astrophysicists, using the Apache Point Observatory's Galactic Evolution Explorer spectrograph, profiled the chemical signatures of 146,00...

The International Space Station crew worked a variety of biomedical experiments in the midst of preparations for Monday's spacewalk. Meanwhile on the ground, a new Soyuz crew is getting ready for its launch next month to...

As the Federal Aviation Administration reviews the recommendations of a National Transportation Safety Board (NTSB) report on last year's SpaceShipTwo accident, it is facing new scrutiny that its commercial space office,...

NASA's Goddard Space Flight Center:

Mars turned cold and dry long ago, but researchers at the University of Colorado Boulder have discovered evidence of an ancient lake that likely represents some of the last potentially habitable surface water ever to exi...

The U.S. has awarded Airbus the patent for its Mach 4.5 speed passenger plane, which can reduce a typical 11-hour flight to three hours. More impressive than its speed is the plane's no-noise feature, observers say.

  The evening of Wednesday 12 August into the morning of Thursday 13 August sees the annual maximum of the Perseid meteor shower. This year, a new moon makes prospects for watching this natural firework display particul...

Orbital ATK, NASA and the state of Virginia agreed to split a $15 million bill for repairing a launchpad damaged when Orbital ATK's Antares rocket exploded after lifting off on a NASA cargo mission. Orbital ATK also will...