NASA will unveil the Nancy Grace Roman Space Telescope on April 21, and you can watch the event live here at Space.com.

NASA's Nancy Grace Roman Space Telescope will be unveiled as the agency prepares to launch the observatory into the cosmos ...

After a 10-day mission, the Artemis II spacecraft is returning to Earth — and several TV networks and streaming platforms are carrying the event live on Friday. According to NASA, the Artemis II ...

NASA Administrator Jared Isaacman will testify before the House Science, Space and Technology Committee on President Trump’s ...

NASA is livestreaming a resupply mission to the International Space Station today. Here's what to know and how to watch, ...

With the moon looming ever larger, the Artemis II astronauts raced to set a new distance record Monday from Earth on a lunar fly-around that promised magnificent views of the far side never seen ...

The mission will send four astronauts aboard the agency’s powerful Space Launch System rocket on a roughly 10‑day journey.

Watch live video of NASA launching four astronauts on its Artemis II moon mission from the NASA Kennedy Space Center in Florida.

Astronauts are expected to hit a major milestone in the Artemis II mission with a historic flyby of the moon on Monday ...

Artemis II mission is set to launch at 6:24 p.m. ET from Kennedy Space Center. The mission will send a crew of four ...

NASA Administrator Jared Isaacman told NBC's Lester Holt that lessons from the Artemis II moon mission are informing plans to ...