Melissa Silva
Latest articles by Melissa Silva
![The National Space Society will host "A Day in Space" celebration of spaceflight online on July 16, 2020.](https://cdn.mos.cms.futurecdn.net/ccUbtWvg77cFLtsmxUoT3V-320-80.jpg)
Join the National Space Society for 'A Day in Space,' a celebration of spaceflight, this week
By Melissa Silva published
The National Space Society will launch a "Day in Space" celebration of spaceflight on July 16, 2020. Here's how to watch..
![In the season finale of "Cosmos: Possible Worlds," host Neil deGrasse Tyson takes a trip to the 2039 New York World's Fair.](https://cdn.mos.cms.futurecdn.net/D76rv8AnMD8SpurACzhnjX-320-80.jpg)
Neil deGrasse Tyson ponders the fate of planet Earth in 'Cosmos: Possible Worlds' finale
By Melissa Silva published
In the final episode of "Cosmos: Possible Worlds," Neil deGrasse Tyson pays homage to Carl Sagan and ponders the possible futures of planet Earth.
!["Cosmos" host Neil deGrasse Tyson enters the Palace of Life, an imaginary place of ancient towers hidden by the mists of time and enshrouded in myth. Here, he moves into its largest, most ancient realm, to walk among the life at the bottom of the sea.](https://cdn.mos.cms.futurecdn.net/hnozTT7zKmgNJDWZFu262L-320-80.jpg)
Cosmos: Possible Worlds' brings the search for E.T. down to Earth
By Melissa Silva last updated
In "Cosmos: Possible Worlds," host Neil deGrasse Tyson explores themes of science as an instrument of hope and tenacity, and as a means by which the human race can realize its true potential.
![A young Neanderthal girl kneels at the water's edge as host Neil deGrasse Tyson looks on. Until about 40,000 years ago, our Neanderthal relatives lived very much as we did.](https://cdn.mos.cms.futurecdn.net/MqnJNsT75mMG5NMEuyJG4U-320-80.jpg)
Forged in fire: Earth's past and future explored in 'Cosmos: Possible Worlds'
By Melissa Silva published
Religion and worship are intrinsically tied with our history as a species, as is fire, and both are recurring motifs in this week's episodes of "Cosmos: Possible Worlds."