"To decide not to return them, or to put it off to an indefinite future time with human missions would be to take a major ...

But President Trump's Fiscal Year 2026 proposed budget blueprint issued on May 2 by the Office of Management ... mid-1970's studies to modify a Viking Mars lander to perform a relatively simple ...

Huygens’ casual acceptance of extraterrestrial life remained the norm at least until HG Wells warned of its hazards, and even ...

A molecule detected on a planet 124 light-years away is produced on Earth by decaying phytoplankton and other microbes. There is no other known source.

Did you know that Canadian feet were actually the first to touch down on the Moon during the Apollo 11 mission?

In the early 20th century, astronomer Percival Lowell assured the world that Mars was laced with canals. In 1976, an experiment on Nasa’s Viking lander showed ... K2-18b is about 2.4 billion ...

Similarly, robotic explorers to Mars, including the Viking landers and the Sojourner ... of the planet. Venera 2, which greatly resembled Venera 1, was built to fly past Venus, during which ...