Are we ready to send humans to Mars?
The physiological challenges of a mission to the red planet
The physiological challenges of a mission to the red planet
Check out the illustrated version of this podcast on Sky & Telescope’s YouTube channel! If you checked in for last month’s Sky Tour, you’ll recall that Venus and Jupiter were really putting on a show in the west after sunset. That’s all changed now. Jupiter drops hopelessly out of sight in the early days of…
Here is SpacePolicyOnline.com’s list of space policy events for the week of June 28-July 4, 2026 and any insight we can offer about them. The House is in session for part of the week. The Senate is in recess except for pro forma sessions. During the Week Saturday is July 4, America’s 250th birthday. Happy…
Half a century after “Close Encounters of the Third Kind,” the director returns to the subject of UFOs with “Disclosure Day.” His science fiction films are informed by his fascination with alien encounters in American suburbia Jake New | Freelance Writer June 11, 2026 Director Steven Spielberg on the set of Disclosure Day, his latest UFO-inspired…
After Americans declared independence on July 4, 1776, a waning gibbous moon rose in the night sky. To the people celebrating the birth of a new nation, it would have looked much the same as the moon we see today. But there was one subtle difference: 250 years ago, the moon was about 31 feet…
The theory of panspermia proposes that life, or the ingredients needed for it, can spread throughout the cosmos aboard asteroids, comets, and other rocky objects. When life develops on a planet, powerful impacts can blast material from its surface into space, potentially carrying microscopic organisms or organic compounds to other worlds. Scientists have long debated…
America at 250: The Revolutionary Spark A Smithsonian magazine special report He won the Nobel Peace Prize for his efforts in ending WWI and strove to improve the plight of American workers. Today, his blind spots shroud most of his accomplishments Douglas P. Jones Imagine American democracy as a mountain lake, its waters held back…