Astronomy

Space is getting dangerously crowded but a new automated system could be the key to preventing catastrophic collisions that threaten our satellites and astronauts. The European Space Agency has developed CREAM (Collision Risk Estimation and Automated Mitigation), a revolutionary technology that aims to transform how we manage traffic in Earth orbit and keep space safe for future generations.

arXiv:2507.21402v1 Announce Type: new Abstract: The interstellar object 3I/ATLAS is expected to arrive at a distance of $53.56(\pm 0.45)$ million ${\rm km}$ ($0.358\pm 0.003$~au) from Jupiter on March 16, 2026. We show that applying a total thrust $\Delta$V of $2.6755{{\rm km~s^{-1}}}$ to lower perijove on September 9, 2025 and then execute a Jupiter Oberth Maneuver, can bring the Juno spacecraft from its orbit around Jupiter to intercept the path of 3I/ATLAS on March 14, 2026. A close fly-by...

A team of scientists have made a discovery that could help solve one of Earth's greatest mysteries, where did our planet's water come from? Using powerful radio telescopes, the researchers have detected water vapour in a comet located far beyond Neptune's orbit, and the results are changing our understanding of how life sustaining water arrived on our world.

For decades, astronomers have searched for signs of extraterrestrial intelligence using radio telescopes and optical instruments, scanning the skies for artificial signals. Now, researchers are taking a different approach, this time looking much closer to home for alien artefacts that might already be in our Solar System.

Unexpected X-ray polarization challenges long-held ideas about how black holes behave.

A quantum broadcasting system would end up sending slightly different information to every receiver – and efforts to sidestep this problem are too inefficient for practical use

A quantum broadcasting system would end up sending slightly different information to every receiver – and efforts to sidestep this problem are too inefficient for practical use

Canada's first commercial rocket launch is set for liftoff as early as the end of August as NordSpace begins building its new spaceport on the country's east coast.

New James Webb Space Telescope observations of the third world in the seven-planet TRAPPIST-1 system rule out a variety of atmospheres.

The post No Evidence for Atmosphere on Trappist-1d appeared first on Sky & Telescope.

Connecting tubes between bacteria and a kind of microbe called archaea may reflect a symbiotic relationship that led to complex cells more than 2 billion years ago

Connecting tubes between bacteria and a kind of microbe called archaea may reflect a symbiotic relationship that led to complex cells more than 2 billion years ago

Going boldly where someone has gone before! The "Star Trek" prequel series is overflowing with characters who debuted in the 1960s.

On Episode 172 of This Week In Space, Rod Pyle and guest host Rick Jenet are joined by Erika Alden DeBenedictis to discuss how terraforming Mars might work.

On Episode 171 of This Week In Space, Rod Pyle and guest host Isaac Arthur are joined by Rick Jenet to discuss the United Nations Office of Outer Space Affairs (UNOOSA).

The members of Expedition 73-"B" settle in and get busy conducting science research on board the International Space Station.

Former NASA astronaut Shane Kimbrough is photographed during a spacewalk in January 2017.

In this quiz, you’ll test your cosmic knowledge by matching each moon to the planet it calls home.

A bright flash of radio waves from 3 billion years after the big bang is illuminating parts of the universe that astronomers can’t normally see

A bright flash of radio waves from 3 billion years after the big bang is illuminating parts of the universe that astronomers can’t normally see

There's a gap in black hole masses, and experts believe here is where 'lite intermediate black holes' reside.