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27 April 2015, 04:14 PM ET
A SpaceX Falcon 9 rocket will launch the TurkmenAlem52E/MonacoSAT satellite into orbit for Turkmenistan and Thales Alenia Space on April 27, 2015. See the ramp up to the mission in photos in our photo gallery here.
27 April 2015, 02:28 PM ET
Call it a rocket builder’s Vulcan death grip. There appears to be a bit of a row between United Launch Alliance's just announced new Vulcan rocket and the Paul Allen Vulcan Aerospace enterprise, the big and bold Stratolaunch aircraft.
27 April 2015, 02:00 PM ET
A team of Russian researchers are using the Altai Optical Laser Center (AOLC) near Savvushka, Russia to image from the ground various spacecraft. The intent of their work is to help solve problems in space surveillance.
27 April 2015, 01:47 PM ET
A research team has published some intriguing work in Nature Geoscience regarding transient liquid water and water activity at Gale crater on Mars – the exploration zone of NASA’s Curiosity rover.
27 April 2015, 01:30 PM ET
The Nexus for Exoplanet System Science, or NExSS, will take a multidisciplinary approach to the hunt for alien life, NASA officials said.
27 April 2015, 01:04 PM ET
Astronauts on the International Space Station have the people of Nepal in their thoughts and prayers after a devastating earthquake killed more than 4,000 people in that country on Saturday (April 25).
27 April 2015, 11:58 AM ET
Star cluster NGC 6388 seems to produce x-rays from a source other than its black hole, whose brightness decrease at a rate comparable to "theoretical models of a disruption of a planet."...
27 April 2015, 09:09 AM ET
Healthy snacks aboard the international Space Station include dried fruit, cereal, nuts, seeds and more. ESA astronaut Samantha Cristoforetti shows off the selection aboard the ISS's Node 1 (Unity Module).
27 April 2015, 09:00 AM ET
Studying the hazy atmosphere of Saturn's largest moon, Titan, should help researchers better understand the air of faraway exoplanets, a new study reports.
27 April 2015, 07:00 AM ET
Over 400,000 volunteer citizen scientists have helped to identify over 2 million new celestial objects and five new supernovas in a wealth of data collected by the SkyMapper telescope.
25 April 2015, 07:00 AM ET
This week, NASA and the space science community celebrated 25 years since the launch and deployment of the Hubble Space Telescope, an instrument with one of the greatest redemption stories in science history.
24 April 2015, 07:31 PM ET
In a geosynchronous orbit, a satellite orbits Earth at the same speed as the planet is turning, enabling it to stay in place over a single location.
24 April 2015, 06:47 PM ET
The unmanned X-37B, which looks like a miniature version of NASA's now-retired space shuttle orbiter, is scheduled to blast off atop a United Launch Alliance Atlas V rocket from Florida's Cape Canaveral Air Force Station on May 20.
24 April 2015, 06:10 PM ET
The Hubble Space Telescope, launched 25 years ago, will never land in a museum. But that doesn't mean all of Hubble's history will be lost. The observatory's legacy will live on in the artifacts from its quarter-century (and more) observing the universe.
24 April 2015, 04:53 PM ET
An interview with photographer Michael Soluri, who chronicled the leadup to the last servicing mission to the Hubble Space Telescope.
24 April 2015, 03:24 PM ET
About 45 minutes after the sun sets on Saturday and Sunday, Jupiter and the moon will be visible in the southwest sky, roughly two-thirds of the way up from the horizon to the point directly overhead (called the zenith).
24 April 2015, 01:00 PM ET
The star Tau Ceti, which lies just 11.9 light-years from Earth, is thought to host five exoplanets, two of which have been posited to be potentially habitable. But a new study throws some cold water on these worlds' life-supporting ability.
24 April 2015, 12:47 PM ET
24 April 2015, 10:45 AM ET
NASA's Mars Reconnaissance Orbiter captured a photo on April 8 that shows the car-size Curiosity rover cruising through a valley called Artist's Drive in the foothills of Mount Sharp.
24 April 2015, 10:01 AM ET
Kelsea Brennan-Wessels, from ESA's 'Earth From Space' series, leads you through a tour of the United States' peninsula with imagery from the Sentinel 1-A satellite.
24 April 2015, 07:49 AM ET
24 April 2015, 07:00 AM ET
While Hubble is healthy now, the telescope is not immortal. Serious problems could conceivably crop up in a number of different Hubble systems.
24 April 2015, 07:00 AM ET
A study of Yellowstone's hot springs has revealed new clues about how organic materials might get preserved in similar environments on the Red Planet, bettering our chances of finding possible signs of life.
24 April 2015, 07:00 AM ET
SpaceX aims to subject a Dragon test vehicle to a "pad abort" trial at Florida's Cape Canaveral Air Force Station as early as May 5. The unmanned test will demonstrate how Dragon might respond in the event of a launch problem.
24 April 2015, 12:22 AM ET
Top astronomers to handpick the Hubble Space Telescope image that has the most scientific relevance to them.
23 April 2015, 06:02 PM ET
Photographers around the world captured gorgeous shots of this year's Lyrid meteor shower, which peaked Wednesday night (April 22).
23 April 2015, 05:36 PM ET
The challenge is to tell them, through the medium of video, image or story, about an 'invention or innovation' that you've encountered. Find out more about it at xprizechallenge.org.