Let’s hear it for the space Cinderellas – Earth-observing satellites

We celebrate probes that look out at the universe, but rarely give a thought to the army of craft that peer down at our planet and make our lives better, says Chanda Prescod-Weinstein Space | Columnist 16 February 2022 By Chanda Prescod-Weinstein NASA/NOAA WHEN we think about space launches, we tend to picture telescopes and … Read more

Fish Have ‘Talked’ For 155 Million Years, And Now You Can Hear Their ‘Voices’

All manner of croaks, chirps, and deep trombone moans permeate Earth’s waters, just like the cacophony of sounds that fill its forest air. For example, reefs are surprisingly noisy places, and many of the noisemakers are fish.   “We’ve known for a long time that some fish make sounds, but fish sounds were always perceived as … Read more

NASA delays rollout of Artemis 1 moon mission’s SLS megarocket until March. Hear why today.

NASA won’t roll its first moon-bound megarocket out to the launch pad any earlier than March, again delaying the launch of its Artemis 1 mission. Agency officials will discuss the decision during a news conference Wednesday (Feb. 2) at 12 p.m. EST (1700 GMT); NASA will broadcast audio of the event on NASA TV and … Read more

Here’s How The Sound of Mosquitoes’ Mating Rituals Could Help Us Control Malaria

In 2020, the World Health Organization (WHO) estimated that almost half the world’s population was at risk of malaria, while some 627,000 people died from the disease. Although a malaria vaccine may soon be available (the WHO recommended one for children last year), malaria is just one of several mosquito-borne diseases. And the total number … Read more

Hear the largest moon in the solar system sing in new squeaky Juno video

The magnetosphere of Jupiter’s moon Ganymede sounds like a dial-up modem in a newly released audio clip from NASA. This month the team behind the space agency’s Juno mission published new data from the spacecraft, which has been pirouetting around Jupiter and its many moons since July 2016. One of the most fascinating new troves … Read more

Ultrasonic hearing: Models suggest schooling helps fish hear dolphin clicks

Models suggest the arrangement of American shad in a shoal amplifies the ultrasonic clicks that dolphins use to hunt, helping the fish detect and evade these predators Life 30 December 2021 By Bas den Hond American shad are native to the US east coast Carl D. Walsh/Portland Portland Press Herald via Getty Images A school … Read more

Do Auroras Make Sounds We Can Hear? The True Answer Is Surprisingly Complicated

It’s a question that has puzzled observers for centuries: do the fantastic green and crimson light displays of the aurora borealis produce any discernible sound? Conjured by the interaction of solar particles with gas molecules in Earth’s atmosphere, the aurora generally occurs near Earth’s poles, where the magnetic field is strongest. Reports of the aurora … Read more