Seems OK to me, but it was blocked by Waterfox.
I'm on the site now, no malicious scripts were loaded.

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What is the current listing status for www.space.com?

Site is listed as suspicious - visiting this web site may harm your computer.

Part of this site was listed for suspicious activity 1 time(s) over the past 90 days.

What happened when Google visited this site?

Of the 1865 pages we tested on the site over the past 90 days, 0 page(s) resulted in malicious software being downloaded and installed without user consent. The last time Google visited this site was on 2013-10-04, and suspicious content was never found on this site within the past 90 days.

This site was hosted on 1 network(s) including AS6315 (XMISSION).

Has this site acted as an intermediary resulting in further distribution of malware?

Over the past 90 days, www.space.com did not appear to function as an intermediary for the infection of any sites.

Has this site hosted malware?

No, this site has not hosted malicious software over the past 90 days.