Asteroid Defense: Scanning the Sky for Threats From Space
NASA and other organizations do regular scans of the sky to catalog any small bodies that are at risk of crashing into our planet.
NASA and other organizations do regular scans of the sky to catalog any small bodies that are at risk of crashing into our planet.
The NROL-61 spy satellite launched from Cape Canaveral Air Force Station in Florida this morning (July 28) at 8:37 a.m. EDT (1237 GMT), riding into space atop a United Launch Alliance (ULA) Atlas V rocket.
NASA astronauts on the Apollo missions to the moon are the only humans to have flown beyond the protective magnetic shielding of Earth — and a new study shows that exposure to deep-space radiation may have taken a toll on their hearts.
The NROL-61 mission launched aboard the United Launch Alliance rocket on July 28, 2016 from Cape Canaveral Air Force Station in Florida. It is on a classified National Reconnaissance Office (NRO) mission.
On July 28, 2016, a United Launch Alliance Atlas V rocket launched into space to deliver the classified NROL-61 satellite into orbit for the U.S. National Reconnaissance Office. See photos from the awesome launch here.
Here are the entries to the Insight Astronomy Photographer of the Year competition that have been shortlisted for the grand prize. The contest recieved over 4,500 submissions.
The first time the MeerKAT radio telescope turned its eyes to the sky, it saw more than 1,200 previously unknown galaxies. MeerKAT is part of the Square Kilometer Array, which is set to be the largest radio telescope in the world.
The annual Delta Aquarid meteor shower peaks overnight tonight (July 28), and you can watch the event live via a special webcast by the online Slooh Community Observatory.
In the world of "Star Trek," space travel is as easy as turning on the warp drive. While real-world space travel may never look like science fiction, NASA said the International Space Station (ISS) is helping humanity push farther out into the universe.
A band of NASA aquanauts are living more than 60 feet below the waters of the Florida Keys for a 16-day underwater expedition, designed to simulate the extreme environments astronauts may face in future deep-space missions like the journey to Mars.
Stars usually form in dense stellar nurseries with many other stars for company, but a baby star has been found by itself, erupting in a void with no siblings in sight.
The first launch of NASA’s Space Launch System heavy-lift rocket remains on schedule for the fall of 2018 despite delays in one key element of the Orion spacecraft it will launch.
The Insight Astronomy Photographer of the Year competition has announced its shortlist of entries, from more than 4,500 submissions. Here are a few of our favorites, including some starry skies over snowy landscapes, and colorful deep-space objects.
The Air Force said July 22 it still plans to launch the next Space Based Space Surveillance (SBSS) system in 2021.
The Transiting Exoplanet Survey Satellite (TESS), which is scheduled to launch in 2017 or 2018, will observe at least 200,000 relatively nearby stars, and it should end up finding thousands of alien worlds, NASA officials said.
A rundown of some of the biggest spacecraft to smash into Earth beyond their operators' control.
A giant piece of a recently launched Chinese rocket fell to Earth Wednesday night (July 27), blazing a spectacular sky trail that left observers all over the wwestern United States dazzled and slack-jawed.
On July 27, 2016, a Chinese Long March 7 rocket body re-entered Earth's atmosphere and was "removed from the U.S. satellite catalog" by the Joint Space Operations Center (JSpOC), according to a twitter post from US Strategic command.