SI-generated background: illustration, not SPHEREx dataScroll the universe.
Discover the unknown.
Explore real sky pictures from the SPHEREx mission, in NASA's infrared colours. Spot what moves. No account needed.
01 SCROLL
Browse views of the sky, one post at a time.
02 COMPARE
Blink between dates to see what changed.
03 FLAG
Mark anything that moves for scientists to review.
Weekly recap
This week with
Orbi & Lumi.
A 30-second tour of the latest real SPHEREx pictures, hosted by our two cartoon guides.
SI-generated video · not SPHEREx data
The mission
The hunt for Planet X.
An infrared survey maps the whole sky every six months. A faint world far past Neptune would shift a little between maps. This video imagines that hunt; the real pictures are below.
Citizen science, made simple
The universe,
in your hands.
Swipe through the sky like a social feed — and maybe be one of the first to notice something new.
Watch reels