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Astronomy 18 hours ago

The 'devil comet' 12P/Pons-Brooks has finally become visible from Australia. What can we expect?

If you're a fan of all things space, you've doubtless heard about the "devil comet," which has been captivating keen-eyed observers in the northern hemisphere for the past few weeks. Now it's our turn, as comet 12P/Pons–Brooks ...

Planetary Sciences Apr 18, 2024

Are Titan's dunes made of comet dust?

A new theory suggests that Titan's majestic dune fields may have come from outer space. Researchers had always assumed that the sand making up Titan's dunes was locally made, through erosion or condensed from atmospheric ...

Space Exploration Apr 18, 2024

The Lyrid meteor shower peaks this weekend, but it may be hard to see it

The Lyrid meteor shower is underway. But with a nearly full moon in the sky during the peak, it might be tough to see clearly.

Astronomy Apr 15, 2024

The brightest gamma ray burst ever seen came from a collapsing star

After a journey lasting about two billion years, photons from an extremely energetic gamma-ray burst (GRB) struck the sensors on the Neil Gehrels Swift Observatory and the Fermi Gamma-Ray Space Telescope on October 9th, 2022. ...

Planetary Sciences Apr 12, 2024

BepiColombo detects escaping oxygen and carbon in unexplored region of Venus's magnetosphere

A fleeting visit of the ESA/JAXA BepiColombo mission to Venus has revealed surprising insights into how gases are stripped away from the upper layers of the planet's atmosphere.

Astronomy Apr 12, 2024

Stellar winds of three sun-like stars detected for the first time

An international research team led by a researcher from the University of Vienna has for the first time directly detected stellar winds from three sun-like stars by recording the X-ray emission from their astrospheres, and ...

Planetary Sciences Apr 10, 2024

If Europa has geysers, they're very faint

In 2013, the Hubble Space Telescope spotted water vapor on Jupiter's moon Europa. The vapor was evidence of plumes similar to the ones on Saturn's moon Enceladus. That, and other compelling evidence, showed that the moon ...

Space Exploration Apr 10, 2024

After delay, Delta IV Heavy lifts off for the last time

The storied career of the Delta family of rockets had to wait a little longer than planned to turn the page on its final chapter, but the last of its kind lifted off on the Space Coast on April 9.

Space Exploration Apr 9, 2024

If we want to visit more asteroids, we need to let the spacecraft think for themselves

Missions to asteroids have been on a tear recently. Visits by Rosetta, Osirix-REX, and Hayabusa2 have all visited small bodies and, in some cases, successfully returned samples to the Earth. But as humanity starts reaching ...

Space Exploration Apr 8, 2024

A total solar eclipse races across North America as clouds part along totality

A chilly, midday darkness fell across North America on Monday as a total solar eclipse raced across the continent, thrilling those lucky enough to behold the spectacle through clear skies.

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