The way this document is written suggests that when NASA scores bidders for the Mars Telecommunications Network, the addition ...

NASA's Mike Fincke has identified himself as the astronaut whose medical condition prompted the space agency's first medical evacuation.

The “horizon” he points to isn’t a doorway to the divine, other scientists say. Yet, modern physics has been trying to answer questions once left to religion.

Astronomy does not belong off Earth. It belongs wherever the universe can be observed — and that necessarily includes the surface of the planet humans live on. Kelsey Johnson: Past President of the ...

Letting all students take triple science GCSE may prove challenging – but can we at least agree that the objective is a good ...

“For the last 20 years, people believed that the cosmological constant is positive, and the universe will expand forever,” says Tye, a professor emeritus at Cornell. A positive constant acts like a ...

An astrophysicist explains what wormholes are and how these theoretical space-time tunnels have popped up in the solutions to a set of decadesold equations.

Four new crew members are on their way to the International Space Station after launching into orbit early Friday morning ...

Using the James Webb Space Telescope, astronomers have investigated 70 dusty galaxies at the very edge of the universe that ...

New data from major dark-energy observatories suggest the universe may not expand forever after all. A Cornell physicist calculates that the cosmos is heading toward a dramatic reversal: after ...

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

Faint structures play a crucial role in cosmic development, and scientists are only just beginning to grasp their full extent and role in shaping the universe.