By conducting a blind search for large amplitude mid-infrared variables in the Wide Infrared Sky Explorer (WISE) archive, Chinese astronomers have serendipitously discovered a giant mid-infrared outburst from a distant young ...
A new series of supercomputer simulations has offered an answer to the mystery of the origins of Saturn's rings—one that involves a massive collision in the recent history of the 4.5 billion-year-old solar system.
Planetary Sciences
19 hours ago
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30
A NASA astronaut and two Russian cosmonauts returned to Earth on Wednesday after being stuck in space for just over a year. American Frank Rubio set a record for the longest U.S. spaceflight—a result of the extended stay.
Space Exploration
21 hours ago
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12
After a seven-year wait, NASA scientists on Tuesday finally pried open a space probe carrying the largest asteroid samples ever brought back to Earth, finding black debris.
Space Exploration
Sep 27, 2023
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1289
Using snapshots taken over 20 years with NASA's Chandra X-ray Observatory, astronomers have learned important new details about an eruption from Eta Carinae witnessed on Earth in the mid-19th century.
Astronomy
Sep 26, 2023
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227
The first U.S. asteroid sample, delivered by the OSIRIS-REx spacecraft to Earth on Sept. 24, has arrived at its permanent home at NASA's Johnson Space Center in Houston, where it will be cared for, stored, and distributed ...
Planetary Sciences
Sep 26, 2023
0
1
There are unexplored regions of the universe—and there are also unexplored times. In fact, there's a nearly 400-million-year gap in our universe's history that we've never seen: a time before stars known as the Dark Ages. ...
Space Exploration
Sep 26, 2023
0
85
Lava worlds, massive exoplanets home to sparkling skies and roiling volcanic seas called magma oceans, are distinctly unlike the planets in our solar system.
Planetary Sciences
Sep 26, 2023
0
54
Gigatons of greenhouse gas are trapped under the seafloor, and that's a good thing. Around the coasts of the continents, where slopes sink down into the sea, tiny cages of ice trap methane gas, preventing it from escaping ...
Astrobiology
Sep 26, 2023
0
50
The Giant Magellan Telescope begins the four-year process to fabricate and polish its seventh and final primary mirror, the last required to complete the telescope's 368 square meter light collecting surface, the world's ...
Astronomy
Sep 26, 2023
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