For years, a razor-thin dip in Mars’s reflected sunlight stumped planetary scientists. It kept showing up in data from a NASA ...

Living and working on Mars is not only about landing rockets or building habitats. It is also about something as basic as ...

Astronomers have spotted only three objects known to have come from outside our solar system. The newest, called 3I/ATLAS, is already raising eyebrows. First seen this summer, it doesn’t quite behave ...

The spacecraft was 290 million kilometers (180 million miles) from our planet when the image was snapped. The Earth and Moon ...

A repurposed Mars rover tool could unlock the simplest test yet for detecting alien life, offering a faster, cheaper path to discovery.

Psyche’s twin cameras recorded long-exposure images of Earth and the Moon. From 180 million miles away, both appeared as faint dots.

Elon Musk's SpaceX and Jeff Bezos's Blue Origin are separately developing systems that would allow rockets to refuel once ...

Interstellar object 3I/ATLAS — which is zooming through our inner solar system — appears to be emitting its own light, ...

This quiz is dedicated to the mechanical marvels that have rolled across the surfaces of alien worlds: the iconic space ...

Scientists have recently identified a mineral on Mars that may offer new insights into the planet's complex thermal and ...

The 33rd SpaceX commercial resupply services mission for NASA, scheduled to lift off from the agency's Kennedy Space Center in Florida in late August, is heading to the International Space Station ...

Elon Musk’s rocket company relies on federal contracts, but years of losses have most likely let it avoid paying federal ...