Voyager 1 is now using a radio transmitter it hasn’t relied on since 1981 to stay in contact with its team on Earth while engineers work to understand what went wrong. As the spacecraft ...

Naga, a male Amur falcon, was fitted with a lightweight and solar-powered satellite transmitter at its roosting site in Nagaland in November. Photo: Nick Williams New Delhi: The longest an ...

The peregrine falcon, fitted with a satellite transmitter by an Israeli wildlife research center to study its feeding, breeding, migration, and wintering patterns, covered a long distance to reach ...