Astronomy

arXiv:2512.00492v1 Announce Type: new Abstract: We describe how the ESA Comet Interceptor mission, which is due to launch in 2028/29 to a yet-to-be-discovered target, can provide a conceptual basis for a future mission to visit an Interstellar Object. Comet Interceptor will wait in space until a suitable long period comet is discovered, allowing rapid response to perform a fast flyby of an object that will be in the inner Solar System for only a few years; an enhanced version of this concept ...

The JWST has made a name for itself by discovering mature galaxies in the Universe's early times. This time, a pair of Indian astronomers working with the JWST found a fully-formed spiral galaxy much like the Milky Way only 1.5 billion years after the Big Bang. The discovery, and others like it, are forcing scientists to reconsider their understanding of the cosmic timeline.

By blocking a molecule that pushes the immune system into overdrive, a vaccine protects mice from life-threatening anaphylaxis

By blocking a molecule that pushes the immune system into overdrive, a vaccine protects mice from life-threatening anaphylaxis

Without the gene Poc5, male mice produced no viable sperm, pointing to a possible link to infertility

Jared Isaacman—the presumptive next leader of NASA—answered questions about his plans for the future of U.S. space exploration on Wednesday

Why is the gravitational-wave background — the hum made by supermassive black holes colliding across the universe — stronger than expected?

The post Boosting the Gravitational Wave Background appeared first on Sky & Telescope.

The ethics of clinical trials that deliberately infect people with a disease aren't clear-cut – but there's a strong case for doing more of them

The ethics of clinical trials that deliberately infect people with a disease aren't clear-cut – but there's a strong case for doing more of them

Feeling alienated in others' company, or "existential isolation", can happen to us all. David Robson digs into the psychological literature for a solution for one reader

Feeling alienated in others' company, or "existential isolation", can happen to us all. David Robson digs into the psychological literature for a solution for one reader

From Mickey 17 and M3gan 2.0 to a musical about the end of the world, this was an eclectic year for science-fiction films. Film columnist Simon Ings shares his two breakout hits

From Mickey 17 and M3gan 2.0 to a musical about the end of the world, this was an eclectic year for science-fiction films. Film columnist Simon Ings shares his two breakout hits

From animal rivals to Jane Goodall's last thoughts, enjoy 2025's best science documentaries, says our TV columnist Bethan Ackerley

From animal rivals to Jane Goodall's last thoughts, enjoy 2025's best science documentaries, says our TV columnist Bethan Ackerley

Pet owners' increasing tendency to see their animals as children rather than dogs or cats can have dire consequences. Owners, and veterinarians, should be wary, warns Eddie Clutton

Feedback is entertained by the commotion at the International Association for Cryptologic Research's recent elections, where results could not be decrypted after an "honest but unfortunate human mistake"

What were the year's top sci-fi shows? Andor and Severance are still up there, but our TV columnist Bethan Ackerley also has some unexpected tips to share

Pet owners' increasing tendency to see their animals as children rather than dogs or cats can have dire consequences. Owners, and veterinarians, should be wary, warns Eddie Clutton

Feedback is entertained by the commotion at the International Association for Cryptologic Research's recent elections, where results could not be decrypted after an "honest but unfortunate human mistake"