Space News

Literature professor Simon John James and physicist Richard Bower discuss the many, wildly various meanings of "time travel."

The White House has nominated the president and chief executive of suborbital spaceplane and engine developer XCOR Aerospace to a top position in the Defense Department. SpaceNews.com

This summer, New Mexico-based aerospace company will be testing the aerospike engine, a concept which almost became part of the Space Shuttle The post The Aerospike Engine Was Considered for the Shuttle, But Never Flew. ...

A British startup says that it can build and launch cubesats for a fraction of the cost of traditional approaches, a concept that has won support from the European Space Agency. SpaceNews.com

Media are invited to watch a virtual presentation and briefing on NASA's Airspace Technology Demonstration 2 (ATD-2) Integrated Arrival / Departure / Surface Metroplex Traffic Management System at 11:30 a.m. EDT on Thurs...

SES is moving customers off a 14-year-old geostationary communications satellite that's drifting in orbit following a "significant anomaly" discovered over the weekend. SpaceNews.com

European launch provider Arianespace will launch a remote-sensing satellite for the Italian Space Agency (ASI) in mid-2018 using the Italian-made Vega rocket, Arianespace announced June 19. SpaceNews.com

New research from Caltech shows that our galaxy has a strong preference for two types of planets: rocky planets up to 1.75 times the size of Earth, and gas-enshrouded mini-Neptune worlds, which are from 2 to 3.5 times th...

Since the mid-1990s, when the first planet around another sun-like star was discovered, astronomers have been amassing what is now a large collection of exoplanets--nearly 3,500 have been confirmed so far. In a new Calte...

"The Kepler data set is unique, as it is the only one containing a population of these near Earth-analogs - planets with roughly the same size and orbit as Earth," said Mario Perez, Kepler program scientist in the Astrop...

For most of Bob Hines' astronaut candidate classmates, the act of putting on a blue flight suit was a new experience. But that was not the case for Hines, a NASA research pilot at Johnson Space Center. "I've been wearing...

"This does not necessarily mean that a similar response would happen in the future with increasing CO2 levels, since the boundary conditions are different from the ice age," added by Professor Gerrit Lohmann, leader of t...

A pair of French entrepreneurs have raised 1.7 million euros ($1.9 million) for a new electric propulsion system to address the small satellite market.

A satellite spied fog filling the Strait of Juan de Fuca in western Washington.

This is the most comprehensive and detailed catalog release of candidate exoplanets, which are planets outside our solar system, from Kepler's first four years of data. It's also the final catalog from the spacecraft's v...

A million years from now humans might adapt to space, and space to humans.

NASA's Kepler Space Telescope has been used to detect 219 new new planet candidates. Ten nearly Earth-sized planets have been found in the so-called 'Goldilocks' zone of the stars they orbit.

NASA's Kepler space telescope team has released a mission catalog of planet candidates that introduces 219 new planet candidates, 10 of which are near-Earth size and orbiting in their star's habitable zone, which is the ...

How do you prepare for space missions on Earth? One way is to simulate an expedition into space underwater. Yesterday, six aquanauts dived almost 20 m to the sea floor where they will spend 10 days living and working bel...

Two craters on two different worlds that were visited by two NASA missions have now been linked to mark the 45 years between the two explorations.

The Little Dipper is an asterism (star pattern) in the larger constellation of Ursa Minor, the Little Bear. The most famous star in the constellation is Polaris.

With the discovery of thousands of planets beyond the solar system, scientists are eager to learn if rocky "super-Earths," up to 10 times more massive than Earth, might also be able to harbor life. Along with its aesthet...