Good News and Bad News for Astronomers’ Biggest Dream

The United States should commit $1.6 billion to building an “extremely large telescope” that would vault…

A Nova in the Night Sky Will Make ‘a New Star’: How to See it.

If you keep a close eye on the night sky in the weeks and months ahead,…

‘Space: The Longest Goodbye’ Review

In “Space: The Longest Goodbye,” scientists researching the problems of long-term space exploration go where movies…

Voyager 1, First Craft in Interstellar Space, May Have Gone Dark

When Voyager 1 launched in 1977, scientists hoped it could do what it was built to…

Putin’s Nukes in Space Are Back to Scare Us Again

In 1982, President Ronald Reagan was considering what became known as “Star Wars,” a plan to…

Europa, Thought to Be Habitable, May Be Oxygen-Starved

Under its bright, frosty shell, Jupiter’s moon Europa is thought to harbor a salty ocean, making…

Why It’s So Challenging to Land Upright on the Moon

When the robotic lander Odysseus last month became the first American-built spacecraft to touch down on…

Odysseus Moon Lander to Power Down, With Aim to Extend Time on Surface

Odysseus is not dead yet. But it will soon be time to say, “Good night, moon…

Odysseus Moon Lander Sends Photos Home Before Spacecraft Likely Dies

Odysseus, the American robotic spacecraft that landed on the moon last week, is likely to die…

Can Humans Endure the Psychological Torment of Mars?

What about the mission’s psychological aspect? The monotony? The loneliness? “I’m a hardware person first,” McCauley…