The line between science and pseudoscience is imperceptible to most. Here’s how you can catch it in yourself. When it comes to science, the first principle is that you must […]
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When scientists claim that an unexplained phenomenon might be due to aliens, they’re giving up on science. Whenever science discovers a new, unexpected phenomenon, it represents a tremendous opportunity to learn […]
There’s nothing new, recent, or remarkable about it. It’s just a typical cosmic pebble in the galactic ocean. Last year, the interstellar interloper ʻOumuamua passed through the inner Solar System. Originally […]
Instead of nearly-circular ellipses, comets are extraordinarily elongated, or even on an exit path. Why so different? When you look at how the planets orbit in our Solar System, the […]
The ices and rock aren’t green, and neither are the tails. So where does a comet’s green color come from? Every so often, with extreme regularity, comets will plunge from beyond […]
When we place the known objects in the Solar System in order, four inner, rocky worlds and four, outer, giant worlds stand out. Traditionally, these were defined as planets. Will […]
One of the most popular viral videos about space is dead wrong. But it gives us a chance to learn something incredible. There are a lot of moving parts to […]
Space may be enormous, but collisions are inevitable. Here’s what happens when they occur. The Universe as we know it has been around for nearly 14 billion years: plenty of time […]
There’s a halo of dark matter permeating every galaxy, and that means its particles pass through us, too. The Universe, despite all the planets, stars, gas, dust, galaxies, and more we […]
Bright pink? Lava? Liquid planets that could hold water? Some far-out planets are truly… out of this world.
There’s no way to frame this as anything other than a disaster for humanity. This article was originally written one week ago, on the day the FY2019 budget was released […]
This research may help us develop diamonds for products and better understand nuclear fusion.
Dark energy is pushing distant galaxies apart from one another at an increasing rate. If the Big Rip hypothesis is true, things will only get worse from here. One of the […]
Hitler and other Nazis were fond of a strange theory that the world was made of ice.
The Planetary Habitability Laboratory has made up some periodic tables of all of the confirmed and suspected exoplanets so far, plus planetary bodies in our own solar system.
The scientists have traced the signals to just 180 million years after the Big Bang, making the detection the earliest evidence of hydrogen yet observed.
While it can often be tempting to unfollow friends who have differing political views than you, one philosopher tells us why we should embrace, rather than shun, such challenges to our worldviews.
It’s the first, most naive question you might think to ask. The solution is a lot more complicated than you imagine. According to a large amount of evidence, the overwhelming majority […]
In 1990, the Hubble Space Telescope was launched, leading to a revolution in astronomy. But for many purposes, Earth is still the best place to be. When you think about what’s […]
A new planet, bigger than Earth, could be lurking in the outer solar system. But new evidence says ‘probably not.’ “Although we were initially quite skeptical that this planet could […]
For every planet that orbits a star like our own, there are likely thousands of ‘orphan planets’ wandering the galaxy alone. Here in the Solar System, we can watch our star’s […]
Congress refused the majority of Trump’s proposed cuts to NASA’s budget. But many uncertainties remain. On March 21st, 2018, both branches of Congress passed the United States’ Consolidated Appropriations Act, […]
Even if it can’t detect them directly, we’ll learn the answer. Here’s how. Perhaps the most revolutionary find of the past generation, when we think about the Universe beyond Earth, is […]
Aiming for the nearest star would necessitate a whole slew of advances. Even if the mission fails, humanity wins by investing in itself. There have been some magnificent moments in NASA […]
There are no punches to pull here. If America believes in science, research, or basic truths about the Universe, we cannot cancel this mission. Last week, the White House released their […]
65 million years, an impact wiped out 30% of all life on Earth. Could another one be imminent? “That which can be asserted without evidence, can be dismissed without evidence.” […]
If atmospheric hazes can cool the distant ice dwarf by an extra 30 degrees Celsius, maybe we can geoengineer a solution to our warming problem? When NASA’s New Horizons flew by […]
NASA scientists are sifting through some of the last transmissions from Cassini. And what they’re finding are kittens. You read that right.
Could there be a massive, giant planet beyond Neptune? Here’s what the science says… for now. “Finding out that something you have just discovered is considered all but impossible is one […]
The ‘big discovery’ is nothing of the kind. We need a new planet-finding mission to probe the next frontier. Last week, NASA dropped a bombshell that it’s Kepler mission — the greatest […]