Roman Space Telescope begins million-mile cruise to the dark universe
NASA's Nancy Grace Roman Space Telescope launched Aug. 30, 2026 on a SpaceX Falcon Heavy to study dark energy, dark matter, and exoplanets.
The Nancy Grace Roman Space Telescope launched at 7:26 a.m. EDT Sunday, Aug. 30, 2026, aboard a SpaceX Falcon Heavy rocket from Launch Complex 39A at Kennedy Space Center in Florida, beginning a three-month, million-mile journey to its final orbit and a mission to explore dark matter, dark energy, and exoplanets.
Nature’s reporting places the US$4.3-billion observatory’s liftoff atop a SpaceX rocket at about 7:35 a.m. local time on Aug. 30, 2026 from Kennedy Space Center, carrying the largest infrared digital camera ever built and a mirror originally designed for a spy satellite to study dark energy, the Milky Way’s stars, and exoplanets.
Al Jazeera’s account describes the $4.3bn telescope launching just after dawn on Sunday, Aug. 30, 2026 on a SpaceX Falcon Heavy from Kennedy Space Center, bound for Lagrange Point 2 roughly 1.6 million km from Earth on a five-year mission to map more than 2 billion galaxies and hunt dark energy, dark matter, and exoplanets.
The two reported liftoff times — 7:26 a.m. EDT from NASA and about 7:35 a.m. local time from Nature — sit within the same minutes-long window, and the sources broadly agree on the vehicle, pad, and date rather than contradicting one another.
The hardware lineage is the striking part: a mirror first laid out for a spy satellite now rides a scientific payload, paired with the largest infrared digital camera ever built, giving the observatory a wide, sensitive eye on the sky.
Science goals interleave the cosmic and the nearby. Dark energy and dark matter dominate the large-scale mapping effort, while the exoplanet and Milky Way stellar surveys bring the count of worlds and stars into reach of a single instrument.
If the cruise to final orbit holds to its three-month plan, the five-year nominal mission at Lagrange Point 2 will commence a galaxy census exceeding 2 billion objects — a statistical reach that defines the telescope’s dark-universe charter.