Permanent life insurance is life insurance that lasts your entire lifetime. It does not expire or end, unless you choose tom cancel your policy or stop paying your premiums.
Term life insurance is temporary life insurance which means you may outlive your life insurance policy term (duration).
If you are alive when your term life policy ends, your coverage expires, and you have no life insurance anymore from that specific policy.
Yes, a term life insurance policy can expire.
Learn more about Does life insurance expire?