NASA finalizes strategy for human presence in space
Complete mastodon jaw found in New York homeowner's backyard: 'Remarkable discovery'
Interstellar Voyager 1 resumes operations after pause in communications with NASA
Earth bids farewell to 'mini moon' asteroid set for return visit in 2055
New glowing species of sea slug that inhabits ocean's deep sea 'midnight zone' discovered
NASA reconnects with interstellar Voyager 1 spacecraft using technology not used in decades
