Determining how rapidly the universe is expanding is key to understanding our cosmic fate, but with more precise data has come a conundrum: Estimates based on measurements within our local universe don't agree with extrapolations ...
Astronomy
1 hour ago
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22
Astronomers have discovered new hints of a giant, scorching-hot planet orbiting Vega, one of the brightest stars in the night sky.
Astronomy
4 hours ago
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117
Using the extended Röntgen Survey Imaging Telescope Array (eROSITA) instrument onboard the Spektr-RG spacecraft, astronomers have detected in X-rays a new large supernova remnant (SNR). The newfound object, dubbed "Hoinga," ...
On Titan, Saturn's largest moon, it rains on a regular basis. As with Earth, these rains are the result of liquid evaporating on the surface, condensing in the skies, and falling back to the surface as precipitation. On Earth, ...
Space Exploration
8 hours ago
1
13
With the help of the European Southern Observatory's Very Large Telescope (ESO's VLT), astronomers have discovered and studied in detail the most distant source of radio emission known to date. The source is a "radio-loud" ...
Astronomy
9 hours ago
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103
NASA's newest Mars rover hit the dusty red road this week, putting 21 feet on the odometer in its first test drive.
Space Exploration
Mar 06, 2021
38
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In early 2016, an icy visitor from the edge of our solar system hurtled past Earth. It briefly became visible to stargazers as Comet Catalina before it slingshotted past the Sun to disappear forevermore out of the solar system.
Planetary Sciences
Mar 05, 2021
0
825
The Giant Magellan Telescope announces fabrication of the sixth of seven of the world's largest monolithic mirrors. These mirrors will allow astronomers to see farther into the universe with more detail than any other optical ...
Space Exploration
Mar 05, 2021
14
2180
Spacewalking astronauts completed the first round of prep work Friday for new solar panels, part of a major power upgrade at the International Space Station.
Space Exploration
Mar 05, 2021
0
46
Key technology for ESA's exoplanet-hunting Plato spacecraft has passed a trial by vacuum to prove the mission will work as planned. This test replica of an 80-cm high, 12-cm aperture camera spent 17 days inside a thermal ...
Astronomy
Mar 05, 2021
0
35
