Search for Life

Greenland’s Ice Sheet is Similar in Many Ways to the Solar System’s Icy Worlds and Can Teach Us How to Search for Life

Many regions on Earth are temperate, nutrient-rich, stable environments where life seems to thrive effortlessly. But not all of Earth.…

6 days ago

Rogue Planets Could be Habitable

The search for potentially habitable planets is focused on exoplanets—planets orbiting other stars—for good reason. The only planet we know…

2 weeks ago

The Interior of Enceladus Looks Really Great for Supporting Life

When NASA's Voyager spacecraft visited Saturn's moon Enceladus, they found a body with young, reflective, icy surface features. Some parts…

10 months ago

This is What Perseverance’s Landing Site Looked Like Billions of Years Ago. See Why it’s Such a Compelling Target?

Today is a milestone in NASA's Perseverance mission to Mars. At 1:40 pm Pacific time today, the rover will have…

12 months ago

Here’s a Clever Idea, Looking for the Shadows of Trees On Exoplanets to Detect Multicellular Life

That's the kind of headline that can leave us scratching our heads. How can you see tree shadows on other…

1 year ago

Maybe Volcanoes Could Explain the Phosphine in Venus’ Atmosphere

The detection of phosphine in Venus' atmosphere was one of those quintessential moments in space science. It was an unexpected…

1 year ago

Why Lava Tubes Should be Our Top Exploration Priority on Other Worlds

When magma comes out of the Earth onto the surface, it flows as lava. Those lava flows are fascinating to…

1 year ago

Deep Down in Ocean Worlds, it’s Difficult to Tell Where the Oceans End and the Rock Begins

We all know what water is. And what rock is. The difference is crystal clear. Well, here on Earth it…

1 year ago

Worlds With Hydrogen in Their Atmospheres Could Be the Perfect Place to Search for Life

We're waiting patiently for telescopes like the James Webb Space Telescope to see first light, and one of the reasons…

1 year ago

A NASA Panel Says We Don’t Need to be so Careful About Infecting Other Worlds

It's time to update the rules. That's the conclusion of a panel that examined NASA's rules for planetary protection. It…

2 years ago