Photographers capture the liftoff of the Soyuz MS-25 mission bound for the International Space Station. Image: NASA/Bill Ingalls.
Two days after a rare last-second launch abort, a Russian Soyuz spacecraft blasted off Saturday on a flight to the International Space Station, carrying two short-duration crew members and a NASA astronaut bound for a six-month tour of duty.
For nearly three decades now, it’s been clear that the expansion of the Universe is speeding up. Some unknown quantity, dramatically dubbed ‘dark energy’, is pushing the Universe apart. But the rate at which the Universe’s expansion is increasing – called the Hubble Constant – hasn’t yet been nailed down to a single number.
The April 8 total solar eclipse may coincide with the sun's explosive peak, meaning it might be possible to spot "giant eruptives," coronal mass ejections and solar flares during totality. Here's what to look for.
A massive column of sulfur dioxide pumped out by the erupting volcano on Iceland's Reykjanes Peninsula is traveling across northern Europe. Scientists are concerned it could impact the ozone layer.
For the first time, a spacecraft has lifted off with a flight attendant aboard. Marina Vasilevskaya of Belarus, Oleg Novitsky of Roscosmos and NASA astronaut Tracy Dyson launched on Soyuz MS-25.
On Episode 103 of This Week In Space, Rod and Tariq talk with Space.com's Mike Wall about last week's third test flight of SpaceX's Starship.
Everyone is hoping for clear skies for the solar eclipse on April 8. Here we look at past examples of when this didn't work out and how to increase your chances of good eclipse weather.
A SpaceX Dragon cargo capsule arrived at the ISS early Saturday morning (March 23), delivering several thousand pounds of fresh food and research materials to the orbital lab.
SpaceX has moved the upper stage of its next Starship vehicle to the pad for testing ahead of a test flight, which could lift off as soon as early May.
The third launch of SpaceX's Starship sent shock waves through the air, clearly visible in a stunning new slow motion video that captures the ignition of the spacecraft's 33 Raptor engines.
Fortunately, the real-world search for signs of extraterrestrial civilizations doesn’t have to deal with an alien armada like the one that’s on its way to Earth in “3 Body Problem,” the Netflix streaming series based on Chinese sci-fi author Cixin Liu’s award-winning novels. But the trajectory of the search can have almost as many twists and turns as a curvature-drive trip from the fictional San-Ti star system.
The Texas Eclipse Festival will be unlike any camping experience you've ever imagined with it's "out of this world" lineup of live music, arts, yoga, speakers and more.
Headaches are a common and recurring problem in space, even for astronauts that don't experience them on Earth.
The JWST is enormously powerful. One of the reasons it was launched is to examine exoplanet atmospheres to determine their chemistry, something only a powerful telescope can do. But even the JWST needs time to wield that power effectively, especially when it comes to one of exoplanet science’s most important targets: rocky worlds orbiting red dwarfs.
A single icy moon grain could host tiny microbes or cellular remnants of life. If so, NASA's Europa Clipper may one day be able to find life near Jupiter.
Start stargazing for less — Celestron Skymaster large astronomy binoculars are perfect for skywatching and are currently nearly $50 off on Amazon.
A Russian Soyuz rocket is now scheduled to launch three astronauts toward the ISS on Saturday (March 23), two days after a rare abort scuttled its first try.
A SpaceX Falcon 9 rocket will launch for a record-tying 19th time tonight (March 22), sending 23 Starlink internet satellites to orbit — if Mother Nature cooperates.
Scientists created a giant vortex made of tiny quantum parts in a helium superfluid just a few degrees above absolute zero. This "quantum tornado" helped them to bring black hole physics down to Earth.
The Gaia space telescope has discovered two ancient stellar streams woven through the heart of the Milky Way, which were present 12 billion years ago.
Boeing Starliner is ready to carry its first astronaut crew to the International Space Station. Two NASA astronauts will fly on the new spacecraft for a one-week mission in May.
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