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Some think the reason fundamental scientific revolutions are so rare is because of groupthink. It’s not; it’s hard to mess with success.

It may be time for a cosmological paradigm shift.

Exoplanet LP 791-18d is likely to have an atmosphere and liquid water.

From exoplanets to supermassive black holes to the first stars and galaxies, Webb will show us the Universe as we’ve never seen it before.

But the upcoming James Webb Space Telescope compels us to add, “so far.” Beginning with its 1990 launch, NASA’s Hubble Space Telescope revolutionized our conception of the Universe. This photo of […]

The key problem with the dark matter hypothesis is that nobody knows what form dark matter might take.

You are trapped in time. You never live in the world as it is but only as you experience it as it was.

Hubble, our greatest space-based observatory today, is just the beginning. The Hubble Space Telescope has been astronomy’s most revolutionary observatory in history. The stars and galaxies we see today didn’t […]

The strongest tests of curved space are only possible around the lowest-mass black holes of all. Their small event horizons are the key.

In just a few seconds, a gamma-ray burst blasts out the same amount of energy that the Sun will radiate throughout its entire life.

We are still new at this.

The far infrared reveals both the coldest and hottest gas in the Universe, and can teach us what no other wavelength range can.

Hubble’s still going strong after 31+ years. James Webb will never make it that long. Every decision that’s made — in both astronomy and in life — comes with its own set of pros and […]

Forget billions and billions. When it comes to the number of galaxies in the Universe, both theorists’ and observers’ estimates are too low.

What do the dark recesses of the early Universe and Zelda: Tears of the Kingdom have in common? More than you could have ever hoped for.

There really might be extraterrestrials out there, attempting to make contact. Here’s how science, not fiction, is attempting to find them.

If you want to find life in the Universe, this is how you do it. When it comes to uncovering the ultimate truths about reality, we can only reap what we […]

These were the stories you clicked on the most.

Finding out we’re not alone in the Universe would fundamentally change everything. Here’s how we could do it.

Burns’ latest documentary dives into the long-romanticized life and work of the Italian polymath.

In 1990, we only knew of the planets in our own Solar System. Today, the exoplanet count is more than 5000. Here’s what we’ve learned.

Dinosaurs and other beasts were once thought to be the “undisputed masters” of Venus.

A Fermilab study confirms decades-old measurements regarding the size and structure of protons.

The existence of another watery world in the outer solar system may offer clues to how such seas form — and hope for another spot to search for life.

“What modern science has taught us is that life is not a property of matter.”

The odds are slim, but the consequences would be literally world-ending. There really is a chance of a black hole devouring the Earth.

With ~400 billion stars in the Milky Way and 6-20 trillion galaxies overall, that makes for a lot of stars. But not as many as you’d think.

Some astrobiologists believe life is rare, while others believe it is common in the Universe. How can we find out which view is correct?

Much like computing technology, the Great Red Spot has been getting smaller and faster over the last few years.

If our nearest star has an Earth-like planet, here’s how we’ll see it. As seen from up close, the signs of not only life, but our intelligent, technologically advanced human civilization […]