Professor Avi Loeb said there are clear signs that the comet known as "3I/ATLAS" could be an alien craft. "We should put all ...

The other mission, Kosmos-482, failed to leave Earth orbit. (Image credit: Hall of Venus/NPO Lavochkin) Venera 8 artwork shows the landing capsule on the cloud-veiled world on July 22, 1972.

The paper presented several anomalous characteristics of the object, which could indicate that it is not a comet at all but instead a directed craft.

This colorized picture of Venus was taken Feb. 14, 1990, from a distance of almost 1.7 million miles, about 6 days after NASA's Galileo made it's closest approach to the planet.

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. The moment of conjunction will happen at around 9 p.m. EDT, but don't plan on seeing the linkup.

While Venus passes between the Earth and Sun every 19.5 months, it's only about every eight or so years that the planet becomes visible both after sunset and before sunrise, according to the ...

Even though Venus moves between the Earth and sun every 19.5 months, it becomes visible after sunset and before sunrise only around every eight years, according to EarthSky.

An inferior conjunction of Venus happens when the planet swings between the sun and Earth. Such an alignment happens about every 19 months because of how Venus and Earth orbit the sun.

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. “The glare from the sun makes it really, really difficult to see,” said Michelle Nichols ...