1–20 of 81 results
a sun setting behind a tall pointed building and trees

Cosmic Relief with David Grinspoon

Seeing Through the Smoke

The near-term haze of climate disasters obscures our possible futures. But long-term trends leave room for optimism.

a large orb that is mostly off white with dark red on the bottom left corner that creeps up towards the middle

Cosmic Relief with David Grinspoon

Long Time Coming

Planetary exploration can take up a large portion of one’s life.

a light grey circle with tentrils coming off it against a dark grey background

Cosmic Relief with David Grinspoon

Venus Lives!

Don’t disbelieve the hype: New evidence for active volcanic vents on our sister planet is convincing.

a black dot against a grey background with two white lines on either side

Cosmic Relief with David Grinspoon

ET on Earth? 

The search for extraterrestrial intelligence should not exclude our own planet.

a trio of images: a grey rock in the lower left corner with a smaller grey rock in the middle against a black background, a large grey rock against a black background, and grey rocky ground

Cosmic Relief with David Grinspoon

Nudging a Space Rock

That’s one small change in an asteroid’s orbit, one giant leap for humanity.

a bright yellow sun on the farleft with an orange landscape of mountains and water in the foreground

Cosmic Relief with David Grinspoon

Worlds Apart

Can a newly found exoplanet help explain why Earth and Venus diverged so radically?

abstract shapes in grey tones

Cosmic Relief with David Grinspoon

Sending Astronauts to Venus

Crazy as it might seem, it’s a logical and thrilling prospect.

the broken remains of white machinery in the center of orange and grey dust

Cosmic Relief with David Grinspoon

Crash as Trash

When should we start thinking about cleaning up our space junk on Mars?

an aerial shot of the earth at night with bright yellow lights on a dark background

Cosmic Relief with David Grinspoon

Searching for Intelligence on Earth

Space exploration can serve as an antidote to war. And vice versa.

Cosmic Relief with David Grinspoon

Grave Expectations

We can try to devise rules for how detecting alien life should unfold, but E.T. might not play along.

a green-blue curled worm looking being

Cosmic Relief with David Grinspoon

Interstellar Stowaways

Could microorganisms travel between the stars?

Cosmic Relief with David Grinspoon

Many Happy Returns

Venus’s eight-year cycle has the author dreaming of 2029.

a half of a white planet on the right side against a black background

Cosmic Relief with David Grinspoon

Life Beyond Earth?

By century’s end, the author thinks we’ll have an answer to this question. But what kind of answer?

Labyrinth on western end of Valles Marineris, by Mariner 9

Space Missions

Mariner 9: The Martian Semicentennial

A half century ago, Mariner 9 — our first orbiter at another planet — showed us the real Mars.

close up of a bug's face with two black eyes and white antennae and an orange-white body

Cosmic Relief with David Grinspoon

The Prime of Their Lives

The strange cycles of cicadas offer timely insight into the search for ET.

a view of a brown landscape with part of a machine in the forefront

Cosmic Relief with David Grinspoon

Eavesdropping on Mars

The most compelling audio the Perseverance rover will record might well be the sounds it generates itself.

two planets on opposite corners on a black background

Cosmic Relief with David Grinspoon

The Cosmic Conjunction

When the world’s got you down, look up and tune into orbital time.

an aerial shot of a large cement disc in the midst of trees

Cosmic Relief with David Grinspoon

Adiós, Arecibo

On the painful loss of an iconic Space Age observatory.

a blue and pink planet in half shadow against a black background

Cosmic Relief with David Grinspoon

Venus Surprise

Will phosphine be the “Mars rock” of our sister planet?

a bright light streak across a dark background

Cosmic Relief with David Grinspoon

My Virtual Comet Sighting

There’s nothing like being there, but these days we can all find a pretty good view.

1 2 3 5
Advertisement