Ganymede with the impact site approximately in the centerNASAFour billion years ago, an asteroid larger than the one that ended the age of dinosaurs may have struck the largest moon in our solar system, Ganymede, knocking it off its axis and causing it to crack like an egg.Discovered by Galileo in 1610 while experimenting...
Falcon 9 that will carry Polaris Dawn into orbitSpaceXSpaceX's Polaris Dawn, the first private space mission featuring a spacewalk, is set to launch on Tuesday, August 27, at 3:38 am EDT from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. Here’s how you can watch it.Polaris Dawn is a multi-day orbital mission...
An artist's impression of a star circling a supermassive black hole, a repeating event that seems to be at the core of AT2018fykNASA/CXC/M. WeissAstronomers have observed a supermassive black hole consume a star in two phases and have predicted when it might take a third. If it happens, it could create a fascinating cosmic...
Artist’s impression of an inhabited exoplanet. (NASA/Jay Freidlander)Given the Milky Way's age and size, we would expect to find intelligent civilizations scattered throughout. But where are they? A recent study suggests these civilizations might be so advanced that we simply can't detect them.Reevaluating the Detection of Extraterrestrial LifeIf extraterrestrials were observing Earth, they might...
Mars lost most of its surface water billions of years agoNASAThe promising news is that a massive underground ocean on Mars could cover the entire planet with a mile (1.6 km) of water. However, the downside is that this water is buried so deep and is so inaccessible that it might as well be...
An artist's impression of ASKAP with the two most likely candidates for the repeating radio signal it's foundCarl Knox/OzGravAstronomers Detect Unusual Hourly Radio Signal from SpaceAstronomers have detected a highly unusual radio signal from space that repeats every hour, cycling through three distinct states. Despite some hypotheses about its origin, it remains unexplained by...
A rendering of a wall-building robot constructing a blast shield ring on the MoonPhoto credit to NASA, processing/scanning credit to Kipp Teague and NASA Johnson (image AS17-141–21610), editedLiving on the Moon means that rockets will be your sole mode of transportation to Earth or Mars. However, each launch will create a storm of debris....
Credit: PixabayIn a thrilling advancement for astronomy and the quest for extraterrestrial life, an international team of scientists has revealed the discovery of Gliese 12 b, a temperate, Earth-sized exoplanet located just 40 light-years away, which equates to a relatively close 378 trillion kilometers from Earth.Researchers globally, with significant contributions from McGill University and...
The Micro-Reactor can be used for nuclear space propulsionRolls-RoyceRolls-Royce has received an additional £4.8 million (US$6.2 million) from the UK Space Agency (UKSA) to develop critical technology for a nuclear micro-reactor, potentially powering lunar bases and spacecraft propulsion in the future.In the 1969 science fiction film Doppelganger (also known as Journey to the Far...
Credit: PixabayMedications used by astronauts on the International Space Station may not be sufficient for a three-year trip to Mars. A new Duke Health study reveals that over half of the medicines, including pain relievers, antibiotics, allergy medicines, and sleep aids, would expire before the astronauts' return to Earth.Astronauts might have to rely on...
