Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...

Andy Weir's Project Hail Mary (2021), like many works of apocalyptic fiction, is set in a world facing an existential threat.

NASA has worked on its own first contact protocols, conducting a 2024 workshop event about how best to communicate the ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

The two astronauts who piloted the Boeing Starliner’s first crewed test flight responded to a claim from President Donald ...

When I learn everyone is frantically Googling “asteroid to hit earth,” I feel more optimistic than I have in months. I run outside to look up at the sky and see nothing. The sky, like my pallor and ...

With HiT&MiS deployed in Sweden, physics Ph.D. student Charmi Patel '24 will use it to monitor the northern lights, as seen ...

NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...

Where is all the water that may form oceans on distant planets and moons? The SPHEREx astrophysics mission will search the ...

Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...

A perfectly preserved ancient tree fossil offered scientists an unprecedented view into a moment 42,000 years ago when the Earth’s magnetic field went haywire. The compelling 2021 study tells the ...