Exploration advocates are pushing back against the planned cancellation of NASA's Mars sample return project, saying it could potentially find evidence of Red Planet life.
The astronauts are scheduled to leave in a matter of days.
Warmer oceans are not good. Shallow, glib commentators might try to laugh it off, but their laughter reveals an infantile lack of seriousness in their thinking. Earth is one big, life-supporting system, and we know from the geological record that when the system falters, life pays the price.
"We are in constant contact with NASA."
Supernovae play a central role in the birth of new stars. They provide a rich source of gas and dust to form stellar nurseries, and their explosions can trigger shockwaves that trigger the birth of new stars. But it all depends on where supernovae occur. A supernova that happens within a dense cloud of gas will have a very different effect than one that occurs in a large void. Understanding these effects is a challenge. It is much easier to observe a supernova while it happens rather than long before or after. But a new radio study of the Andromeda Galaxy explores these interactions.
Stars are known for their stellar winds, streams of gas and charged particles from their upper atmospheres that collide with the interstellar medium. These winds can create bow shocks in the surrounding gas. But astronomers were surprised to find a bow shock near a white dwarf star, which are sometimes called dead stars or zombie stars.
Scientists studying Jurassic rocks in China found that cyclical changes in Earth's orbit affected not only the climate, but also the development of shale oil reserves.
From the Upside Down through the Devil's Anus and beyond. Here are 6 times these theoretical wormholes turned up in sci-fi shows and movies.
"The surprise that a supposedly quiet, discless system could drive such a spectacular nebula was one of those rare 'wow' moments."
A SpaceX Falcon 9 rocket, supported by the first stage booster with the tail number 1078, stands in the launch position at Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station ahead of the launch of the Starlink 6-97 mission. Image: Adam Bernstein/Spaceflight Now
Update Jan. 12, 12:55 p.m. EST (1555 UTC): SpaceX pushed back the T-0 liftoff time.
All across the Universe, black holes devour stars that stray too close. Often it's a supermassive black hole that tears a star apart in what's known as a tidal disruption event. But sometimes, it's a stellar mass black hole, and its victim is its binary star partner.
The observatory will combine tech from NASA's most powerful space telescopes.
The PSLV-C62 rocket lifts off from the Satish Dhawan Space Centre carrying the EOS-N1 Earth observing satellite along with 15 other rideshare satellites. The four-stage rocket suffered an anomaly with its third stage. Image: ISRO via livestream
India’s first launch of 2026 ended in failure due to an issue with the third stage of its Polar Satellite Launch Vehicle (PSLV).
NASA is returning four astronauts to Earth early from the International Space Station due to a medical concern with one of the Crew-11 astronauts. Here's the latest news.
The Vera C. Rubin Observatory has discovered the fastest-spinning asteroid ever over 500 meters in size.
Iceberg A23-A has been around since the Chernobyl explosion and Space Shuttle Challenger accident...but perhaps not for much longer.
The young, nearby star may be experiencing an episode of repeated, violent collisions within its forming planetary system.
Combining data from different telescopes is one of the best ways to get a fuller picture of far-off objects. Because telescopes such as Hubble (visible light), the James Webb Space Telescope (infrared), and the Atacama Large Millimeter Array (radio) each collect data in different wavelengths, they are able to capture distinct features of objects like galaxies that other telescopes cannot observe. A new paper by a large group of authors, headed by Andreas Faisst of Caltech, presented at the American Astronomical Society Meeting last week and published in The Astrophysical Journal Supplement tracks eighteen early galaxies in as broad of a spectrum as those instruments can collect, and most significantly found that they seem to “grow up” faster than expected.
"This is a structure we've never seen before, so it could be a new class of dark object."
"The combination of extreme disk size, strong asymmetries, winds, and potential planet formation makes it the perfect laboratory for understanding how giant planets can form."
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