How to watch the Roman Space Telescope launch live

1. When is the Roman launch?

Roman is targeted for August 30, 2026, launching on a Falcon Heavy from Launch Complex 39A at NASA's Kennedy Space Center in Florida, bound for the Sun–Earth L2 point about a million miles out — the same gravitational parking spot JWST uses. NASA pulled the date forward by roughly eight months from its earlier "no later than May 2027" commitment, with the mission running ahead of schedule and under budget. As with any launch, the exact liftoff time firms up closer to the day — the live schedule shows it in your local timezone with a countdown.

2. Where to watch it live

This is a flagship NASA science launch, so coverage will be generous:

• NASA+ and the NASA YouTube channel — the main broadcast, with mission commentary and pre-launch coverage that typically starts an hour or more before liftoff.
• SpaceX — the Falcon Heavy feed on X (@SpaceX) and YouTube, focused on the rocket and the booster landings.

On launch day we surface the official webcast — and embed the YouTube player when available — on the launch's page here, so you don't have to go hunting. Join about 20–30 minutes before T-0 to catch the final weather and go/no-go poll.

3. What is Roman — and how is it different from Hubble and JWST?

This is the part worth understanding before you watch. Roman has a 2.4-metre mirror — the same size as Hubble's — but its giant Wide Field Instrument captures a patch of sky about 100 times larger than Hubble in a single shot, at the same sharpness. It's built for scale:

• Hubble — optical/ultraviolet, a narrow, deep view; 35 years of iconic single-target images.
• JWST — a huge 6.5-metre infrared telescope that sees the faintest, earliest, most distant objects, one small field at a time.
• Roman — Hubble-quality sharpness over enormous swaths of sky, fast. It will survey billions of galaxies to map dark energy and dark matter, and run a microlensing census expected to find thousands of exoplanets.

The three are complementary: Roman finds the interesting things across the whole sky; JWST zooms in to study them in detail. It's named for Nancy Grace Roman, NASA's first chief astronomer and the "Mother of Hubble."

4. Watching the Falcon Heavy

Roman rides one of the most spectacular rockets flying. A Falcon Heavy is three Falcon 9 cores strapped together — 27 engines at liftoff — and on most flights the two side boosters return to land back at the Cape, producing a pair of double sonic booms a few minutes after launch. If you're anywhere near Florida's Space Coast, it's worth seeing in person.

5. Want to see it from the Space Coast?

If you're near Kennedy Space Center — or planning a trip — our in-person viewing guide covers the best public spots around Titusville, Cocoa Beach and the Indian River, when to arrive, and what to bring. You can also check whether the launch is visible from your location.