Lindley Johnson has been a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...

Within the first five years after its planned Sept ... have to do anything,” said Kathryn Kumamoto, head of the planetary defense program at Lawrence Livermore National Laboratory.

YR4 made headlines in February with the news that it had a chance of hitting Earth on Dec. 22, 2032, as determined by an ...

NASA is actively working on planetary defence against asteroids that could threaten Earth. Their new documentary highlights efforts being made.

NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

Of course, you get to be the hero in Planetary Tower Defense and save Earth. If you want to save the planet, then take a look at the Planetary Tower Defense Trello. See all the types of towers you ...