No, they cannot.
They communicate by two-way VHF radio.
Because there's no air ! They have to communicate by radio.
A two way radio allows two persons to communicate with each other while separated by some sort of distance. A wireless frequency is used for them to communicate and they must be on the same channel.
Astronauts can communicate with each other in outer space using radio waves. However, the lack of atmosphere in space means there is no medium for sound to travel through, so they can't talk to each other in the same way we do on Earth. Instead, they use radio communication systems built into their spacesuits or spacecraft.
Astronauts mainly communicate in space using radio waves. They use radios to talk to mission control on Earth and to communicate with each other inside the spacecraft. They can also use video conferencing and email for communication purposes.
Insects communicate with each other by sensory.
I do not know how Jaguars communicate with each other. They might growl or purr.
They communicate with each other through Canalicili Extensions.
Penguins communicate by touhing each other, or feeling each other
they hit each other
They communicate with each other by sharing their ideas and maybe talk about their experiments together or writing to each other
Salamanders communicate with each other by visual ways. They also secrete a chemical that other salamanders can smell as a way to communicate.