Satellite data from NOAA's GOES-East satellite was made into an animation that showed the demise of former Tropical Storm Erika as it neared eastern Cuba early on Aug. 29.
Tropical Storm Erika was centered in the Eastern Caribbean Sea and affecting Puerto Rico and Hispaniola when NASA's Terra satellite passed overhead mid-day on Friday, Aug. 28, 2015.
NASA-NOAA's Suomi NPP satellite flew over Hurricane Jimena in the Eastern Pacific and saw the strongest thunderstorms building up quickly, especially in the northern quadrant of the storm.
Tropical Storm Kilo looks like a giant comma from space in imagery from NASA's Aqua satellite. Kilo continues to strengthen and was affecting Johnston Island as a tropical storm warning continued on Aug. 28.
Hurricane Ignacio continued to strengthen as NASA's Global Precipitation Measurement or GPM core satellite analyzed its rainfall. Ignacio is forecast to move near Hawaii over the weekend of Aug. 29 and 30.
A University of Oklahoma astrophysicist and his Chinese collaborator have found two supermassive black holes in Markarian 231, the nearest quasar to Earth, using observations from NASA's Hubble Space Telescope. The discovery of two supermassive black holes -- one larger one and a second, smaller one -- are evidence of a binary black hole and suggests that supermassive black holes assemble their masses through violent mergers.
The Global Precipitation Measurement or GPM core satellite has provided meteorologists with a look at the towering thunderstorms and heavy rainfall occurring in Tropical Storm Erika as it moves through the Caribbean Sea.
NASA's Aqua satellite and NOAA's GOES-West satellite provided temperature and cloud data on newborn Tropical Storm Jimena in the Eastern Pacific Ocean. Data from both satellites show the storm continues to consolidate.
When NASA's Aqua satellite passed over Tropical Storm Kilo early on Aug. 27, infrared imagery showed that bands of thunderstorms wrapped more than halfway around the system.
When cloud top temperatures get colder, the uplift in tropical cyclones gets stronger and the thunderstorms that make up the tropical cyclones have more strength. NASA's Aqua satellite passed over Hurricane Ignacio and infrared data revealed cloud top temperatures had cooled from the previous day.