/  Welcome


Around the world with GROWTH SURF

Seven undergraduate students have joined the GROWTH SURF 2018 program. Each will travel to a foreign country to undertake a summer research project and learn more about international collaboration in science.

Read more

  • 20 Dec 2017
    Update on Neutron Star Smash-Up: Jet Hits a Roadblock

    New radio observations provide additional evidence supporting the "cocoon model" for the neutron star merger GW170817 that took place on Aug 17. The model, originally proposed by the GROWTH team explains the electromagnetic data for GW170817 captured by many telescopes around the world across multiple wavelengths.

  • 16 Oct 2017
    Caltech-led LIGO and astronomy teams strike gold

    Long time ago two neutron stars smashed into each other in our cosmic neighborhood producing ripple in space time and electromagnetic radiation that was captured by our instruments on Earth on Aug 17, 2017. The GROWTH team conducted one of the most complete multi-wavelength follow up observations of the event confirming that netron star mergers are the cosmic mines where heavy elements are produced.

  • 2 October 2017
    Star Sleuth

    An engaging interview about the life and work of GROWTH Principal investigator and Caltech assistant professor Mansi Kasliwal in this feature story published in the latest issue of the Caltech magazine.

  • 5 Sept 2017
    Dear supernova, what exactly are you?

    A peculiar object flashed in the sky in the summer on 2016. The urge to find out what it was, took GROWTH summer student Lindsey Whitesides down a rabbit hole and into the strange and fascinating world of stellar explosions.

More News




Global Relay of Observatories Watching Transients Happen (GROWTH) is a 5 year project, funded by the National Science Foundation to advance our understanding of cosmic transient events - supernovae, white dwarf detonations, merging neutron stars, fast moving near-earth asteroids, gamma-ray bursts and more. Led by Caltech, GROWTH partner institutions from around the world have created a network of telescopes to continuously observe the transient sky unbeaten by sunrise. Such extended initial observations in the first 24 hours after a cosmic transient is detected will help us localize the primary sources of gravitational waves, identify the long sought cosmic location of heavy element production, track and analyze small near-earth asteroids and much more.


Next to developing data-driven educational modules for university courses in astronomy, GROWTH provides multiple opportunities for training and professional development to students and young researchers in astronomy, astrophysics and closely related fields in physical sciences.

Learn More


We are a team of 14 partner institutions from the USA, Israel, Sweden, India, Japan, Taiwan, UK and Germany

GROWTH is funded by the National Science Foundation under Grant No 1545949. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.