One of the biggest surprises of the 13-year Cassini mission came in Enceladus, a tiny moon with active geysers at its south pole. At only about 504 kilometers (313 miles) in diameter, the bright and ice-covered Enceladus should be too small and too far from the Sun to be active. Instead, this little moon is one of the most geologically dynamic objects in the Solar System.
Space News & Blog Articles
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Meet Procyon, Orion’s Little Dog
Procyon Vitals Official name Procyon Other designations Alpha Canis Minoris, HR 2943, HD 61421 Nicknames - Apparent magnitude 0.37 Distance 11.46 light-years Type Main sequence, F5IV-V Color Yellow-white Mass […]
The best time to buy a telescope: Shop smart and save
Get the best price for your new telescope by shopping smart with these handy tips and discover the best time to buy a telescope
The double-slit experiment: Is light a wave or a particle?
The double-slit experiment was designed to investigate whether light is a wave or a particle. It is one of the most famous and weirdest experiments in physics.
Gaia finds parts of the Milky Way much older than expected
Using data from ESA’s Gaia mission, astronomers have shown that a part of the Milky Way known as the ‘thick disc’ began forming 13 billion years ago, around 2 billion years earlier than expected, and just 0.8 billion years after the Big Bang.
Meet the 6 spaceflyers on Blue Origin's NS-20 mission
Five paying customers and one of Blue Origin's first 20 employees are scheduled to fly to suborbital space aboard the company's New Shepard vehicle on March 29.
Lego Star Wars Boba Fett Helmet review
Boba Fett is perhaps the most iconic Lego Star Wars helmet yet.
Turning astronaut waste into fuel on Mars
Image: Turning astronaut waste into fuel on Mars
Spacewalk underway for space station maintenance, upgrades
Two astronauts floated outside the International Space Station Wednesday for a spacewalk to install refurbished ammonia jumpers in the lab’s cooling system, to replace a high-definition camera and to make power and data connections on a European instrument platform.
10 most successful sci-fi movies at the Oscars
Fill your champagne flute and toast science fiction’s big winners that took home the gold at the Academy Awards!
Hubble telescope spies striking spiral galaxy that's part of a huge cosmic structure
The Hubble Space Telescope caught a galaxy on camera that underlies a much larger structure, known as the Virgo Cluster.
A spiderweb of wormholes could solve a fundamental paradox first proposed by Stephen Hawking
A seemingly intractable black hole paradox first proposed by physicist Stephen Hawking could finally be resolved — by wormholes through space-time.
'Star Trek: Picard' Season 2 episode 2 offers epic updates to classic storylines
Much of this story arc features old ideas, but it's the refreshing new perspective that makes this compelling viewing
MTG-I weather satellite passes tests in preparation for liftoff
With extreme weather events threatening to be more frequent and more severe as the climate crisis takes grip, it’s never been more important to have fast and accurate forecasts. ESA and Eumetsat are working hard to ensure that there will be a constant stream of weather data from space for the next decades and that these data will arrive faster and be more accurate compared to what we have today. It is therefore fitting that on World Meteorological Day, ESA can be assured that the first of the next generation weather satellites, Meteosat Third Generation Imager, has passed a critical set of tests, paving the way for it to be launched in December.
2 astronauts performing spacewalk Wednesday morning: Watch live
Two astronauts will conduct a spacewalk outside the International Space Station on Wednesday morning (March 23), and you can watch the off-world action live.
China launches military spy satellite
A Long March 4C rocket lifts off with the Yaogan 34-02 satellite. Credit: CASC
China launched a classified military remote sensing satellite March 17 on a Long March 4C rocket. The three-stage rocket placed the Yaogan 34-02 satellite into an orbit at an altitude of 680 miles (1,100 kilometers).
ExoMars is Suspended. ESA is Looking for new Solutions to Replace Russian Components
Coordination between countries in space exploration is widespread. However, sometimes that coordination falls apart. In most cases, that failure is due to budgetary constraints. But in more recent times, it is due to geopolitical ones. Specifically, western space agencies have begun to cut ties with Roscosmos, the Russian space agency, on every program excluding the International Space Station, which is still operating normally. One of those project casualties is the timeline of the oft-delayed Exomars rover, Rosalind Franklin.
With 21 Flights Under its Belt, Ingenuity is Getting a Mission Extension
Ingenuity, the helicopter currently zipping its way around Mars, has been a hotly watched topic here at UT. After completing its 21st mission and being on the planet for a little over a year, Ingenuity’s handlers have officially extended its mission in the hopes that it will continue its stellar, groundbreaking performances.
Mars helicopter Ingenuity soars on 22nd Red Planet flight
NASA's Mars helicopter Ingenuity has done it again, soaring successfully on its 22nd Red Planet flight.
Russia launches military communications satellite: reports
A Soyuz rocket topped with the Meridian-M satellite launched today (March 22) from Plesetsk Cosmodrome in northwestern Russia.
