The two bright planets will be visible to the naked eye when nestled close together. A live stream is also planned.
NASA has selected new early-stage projects that "expand the scope of the possible," including projectiles capable of pummeling Earth-threatening asteroids.
The hellishly hot cloudy planet is slowly making its way toward the horizon this month, shining brightly as it does so.
On its 10th flyby of the sun, the Parker Solar Probe hit record speeds that would see it get from New York to London in just over half a minute.
Stargazers are also being treated to the sight of the moon approaching and then bypassing each of the three planets this week.
In a new model—known as the "hit, run and return" scenario—smaller bodies repeatedly hit Earth and Venus during their formation.
The Solar Orbiter spacecraft, jointly operated with the European Space Agency, passed within 4,967 miles of the planet's surface on August 9.
Conjunctions are a pretty sight for sky watchers, with the last one between the two planets taking place around two years ago.
Venus is Earth's closest neighbour, but the surface conditions on the second planet from the sun are hellish.
For the first time in over 30 years, NASA will be sending missions DAVINCI+ and VERITAS to Venus, an expedition expected to launch in the late 2020s.
Researchers who have observed the planet using the James Clerk Maxwell Telescope (JCMT) in Hawaii, believe there is evidence to suggest alien life may exist on Venus.
If you want to see the spectacle, you will need to head outside around an hour before sunrise on Sunday.
"These selected missions have the potential to transform our understanding of some of the solar system's most active and complex worlds," NASA's Thomas Zurbuchen said.
The next transit of Mercury will not be until 2032.
Venus's surface is an inhospitable wasteland. But its upper atmosphere is much like Earth.
Full alignment will be easier to see from the Southern Hemisphere—but people at Northern latitudes should still be able to spot Mars, Saturn and Jupiter.
Binoculars or a telescope might be necessary to see some of the planets.
The moon will come within four-moon diameters of Saturn in the night sky.
Around dusk tonight, Castor and Pollux will form a nearly straight line with Venus.
"It's just completely bizarre that we should have two planets the same size but opposite ends of the habitability spectrum."
Are we really alone?