Reports of Russia building nuclear space weapons have alarmed officials, but security experts aren't panicked — yet

• CNN reported Russia is attempting to build a nuclear space weapon to destroy satellites.
• Space security experts told Business Insider reports may be true, but it's not yet time to worry.
• They said the existence of a secret weapon is more likely to escalate global tensions than be used.

Cryptic intelligence reports this week of Russia building an unspecified nuclear space weapon stoked fear among Americans who worried escalating nuclear threats could mean global catastrophe is near.