Ingenuity is remarkable. But these 5 exploration ideas are revolutionary. Telescopes are our initial tools for revealing and studying foreign worlds. Hubble images of Mars, particularly around the regions with […]
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Francisco José de Goya y Lucientes is often labeled a quintessential Spanish artist, but his allegiance may well have lied with the French Enlightenment instead.
We just observed the first ‘lunar formation’ in an exoplanetary system. This one image, above, is the first to show moons actively forming around a planet. This colourful image shows […]
Even though the leftover glow from the Big Bang creates a bath of radiation at only 2.725 K, some places in the Universe get even colder.
The solar system has some strange stuff in it. Learning how it ended up that way can tell us where we’re going.
Jupiter’s mysterious auroral events are caused by vibrating waves of plasma.
It started with a bang, but won’t end with one. Instead, it will “rage against the dying of the light” like nothing you’ve ever imagined.
A new model of the Antikythera mechanism reveals a “creation of genius.”
And what can it teach us about our Solar System’s earliest days? In many ways, astronomy is unique among the sciences. In every other field, you have the ability to design […]
Even at its faintest, Venus always outshines every other star and planet that’s visible from Earth, and then some!
Galaxies can have regions both hotter and colder than the background radiation of the Universe. When we talk about the depths of space, we get this picture in our heads […]
Just say no to artist’s illustrations. This is what the Universe actually looks like. The Universe we observe often surpasses our greatest imaginings. This 20-year time-lapse of stars near the center […]
The upcoming launch of the James Webb Space Telescope is the event of a lifetime.
Based on the atoms that they’re made out of, the innermost planet should always be the densest. Here’s why Earth beats Mercury, hands down.
The rings are raining down onto the planet, and disappearing surprisingly fast. 4.5 billion years ago, our Solar System first formed. Protoplanetary disks, which all solar systems are thought to […]
The recently discovered Oort cloud comet, Bernardinelli–Bernstein, has the largest known nucleus: 119 km. Here’s what it could do to Earth.
Chemical energy, where electrons transition in atoms, powers the reactions we see. But two other types hold more promise than all the rest.
Catch Saturn at its biggest and brightest, and view its rings while you still can. Right now, in Earth’s skies, Saturn appears at its biggest and brightest. A view of tonight’s […]
In 2006, Pluto was demoted in a very controversial decision. Unless you ignore nearly all of planetary science, it’ll never be one again.
And why, even at its faintest, it always outshines every other star and planet. If you’ve been looking to the west after sunset recently, you may have noticed that there’s one […]
The most unique interloper into our Solar System has a natural explanation that fits perfectly — no aliens required.
Gravitation, all on its own, can reveal what’s present in the cosmos like nothing else.
Phobos and Deimos only have two explanations, and neither one adds up.
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.
Want some crazy space phenomena? You don’t have to leave the neighborhood for it.
No matter how your year went, Hubble’s views of the Universe never disappoint. Year after year, Hubble’s telescopic views are unparalleled. Saturn, its rings, and 5 of its moons are […]
Already 14 billion miles from the Sun, Voyager 1 is speeding away at 38,000 mph.
And the one step we can take to show extraterrestrials we’re figuring it out. Every year, Earth’s meteor showers accomplish two important tasks. This composite photograph shows a large number of […]
A unique exoplanet without clouds or haze was found by astrophysicists from Harvard and Smithsonian.
The odds are slim, but the consequences would be devastating. Here’s what would happen, plus how to avoid it.