Dubbing these “closed timelike geodesics” (CTGs), Ralph and Sajeendran explain in the paper: “Such a CTG would be ideal for ...

Space travel alters hemoglobin gene expression, increasing fetal globin production and shifting erythropoiesis to a primitive type. Low gravity in space increases the risk of coagulation disorders, ...

As part of World Space Week, which is highlighting the theme of living in space, we look at one scientist's dream of gigantic ...

The Artemis programme and others aim to send humans to the Moon and, eventually, to Mars. Innovations in health care that support the mission crew could also benefit people at home. Farhan M. Asrar is ...

Superman may be a work of pulp fiction, but astronomers have identified where in space the alien immigrant hero's home planet, Krypton, could have existed. And this location suggests maybe Clark Kent ...

In November 2023, Jessica Studer, a 33-year-old research medical doctor and professional pianist from Bremgarten, Switzerland, prepared for her trip to Antarctica’s Concordia research station. Most ...

The most dire predictions in two federal reports on the proposal could mean nearly 12,000 delayed commercial flights each ...