02/10/2023

Bushfire tweets reveal role of social media in emergencies

A study on social media activity during the Black Summer bushfires has revealed how the discussions changed through the phases of the disaster, and how critical social media is in disseminating information during natural ...

How plants survive droughts and extreme rainfall

Tropical ecosystems are constantly navigating between prolonged drought and extreme rainfall, but little research has been done to understand why some plants are able to survive these swings in climate.

Hubble views a glistening red nebula Westerhout 5

Just in time for the fall foliage season, this image from the NASA/ESA Hubble Space Telescope features a glistening scene in red. It reveals a small region of the nebula Westerhout 5, which lies about 7,000 light-years from ...

Dark matter could be annihilating inside white dwarfs

As the search for dark matter particles continues to yield nothing, astronomers continue to look at ways these elusive particles might be found. One general method is to look for evidence of dark matter particle decay. Although ...

Let the robot take the wheel: Autonomous navigation in space

Tracking spacecraft as they traverse deep space isn't easy. So far, it's been done manually, with operators of NASA's Deep Space Network, one of the most capable communication arrays for contacting probes on interplanetary ...

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