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US soliciting new bids for Moon mission amid SpaceX delays: NASA chief

NASA is seeking bids for its planned Moon mission to compete against SpaceX, Elon Musk’s company that the US space agency’s chief said Monday is “behind.”

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What do we do if SETI is successful?

The Search For Extra Terrestrial Intelligence (SETI) is evolving. We’ve moved on from the limited thinking of monitoring radio waves to checking for interstellar pushing lasers or even budding Dyson swarms around stars. To match our increased understanding of the ways we might find intelligence elsewhere in the galaxy, the International Academy of Astronautics (IAA) […]

Starship could cut the travel time to Uranus in half

The ice giants remain some of the most interesting places to explore in the solar system. Uranus in particular has drawn a lot of interest lately, especially after the 2022 Decadal Survey from the National Academies named it as the highest priority destination. But as of now, we still don’t have a fully fleshed out […]

Alien civilizations may only be detectable for a cosmic blink of an eye

Is anybody out there? Probably. Most stars have planets; we’ve discovered more than 6,000 exoplanets thus far, and the most basic statistics point toward the existence of countless potentially habitable worlds in the universe. But when we have looked for any scrap of evidence for alien civilizations, we have found nothing so far. The question […]

Distant galaxy A1689-zD1 found to have unusually low dust-to-gas ratio

Using the James Webb Space Telescope (JWST) and the Atacama Large Millimeter/sub-millimeter Array (ALMA), an international team of astronomers has carried out comprehensive multiwavelength observations of a distant massive galaxy known as A1689-zD1.

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Remember the moon rover? Teams test a possible Artemis version

It’s been more than 18 months since NASA narrowed to three the field of competitors vying to build the nation’s next moon rover.

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What happened to those ‘little red dots’ Webb observed?

When the James Webb Space Telescope (JWST) began operations, one of its earliest surveys was of galaxies that existed during the very early universe. In December 2022, these observations revealed multiple objects that appeared as “little red dots” (LRDs), fueling speculation as to what they might be. While the current consensus is that these objects […]

How we sharpened the James Webb telescope’s vision from a million kilometers away

After Christmas dinner in 2021, our family was glued to the television, watching the nail-biting launch of NASA’s US$10 billion (AU$15 billion) James Webb Space Telescope. There had not been such a leap forward in telescope technology since Hubble was launched in 1990.

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Researchers’ autonomous system makes it easier to transport cargo on the moon

Autonomy algorithms developed by researchers at the University of Toronto Institute for Aerospace Studies (UTIAS) could one day make cargo transport on the moon safer and more efficient for astronauts.

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Follow-up observations by Webb confirm GRB 250702B is most energetic cosmic explosion ever recorded

Considering the immense size of the universe, it’s no surprise that space still holds plenty of secrets for us. Recently, astronomers believe they stumbled upon a kind of cosmic blast never seen before, and it’s challenging what we thought we knew about how stars die.

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How to watch the Orionid meteor shower, debris of Halley’s comet

The Orionids—one of two major meteor showers caused by remnants from Halley’s comet—will peak with the arrival of a new moon, providing an excellent opportunity to see shooting stars without interference from moonlight.

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AI-powered model enhances atmospheric calibration precision for astronomical observation and geodetic measurement

Researchers from the Xinjiang Astronomical Observatory of the Chinese Academy of Sciences have developed a hybrid deep learning model that can accurately predict atmospheric delay, a key source of error in astronomical observations and geodetic measurements. The study is published in Research in Astronomy and Astrophysics.

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SpaceX hits landmark 500th Falcon 9 booster landing after Space Coast launch

The 85th orbital launch from the Space Coast in 2025 also marked a milestone for SpaceX with the 500th successful landing of a Falcon 9 rocket booster.

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Planet formation depends on when it happens: New model shows why

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and death of nearby stars are an important piece of the puzzle.

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Two green comets shine bright. How to spot them in the night sky

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.

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