An interview with Lisa Kaltenegger, the founding director of the Carl Sagan Institute, about the modern quest to answer an age-old question: “Are we alone in the cosmos?”
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Sometimes, going “deeper” doesn’t reveal the answers you seek. By viewing more Universe with better precision, ESA’s Euclid mission shines.
Hubble showed us what our modern day Universe looks like. JWST’s big goal was to teach us how the Universe grew up. Here’s where we are now.
Scientists may have detected the somewhat smelly chemical dimethyl sulfide on a planet 120 light-years from Earth.
Astronomers have been looking for radio waves sent by a distant civilization for more than 60 years.
Along with gravitational lensing and ALMA’s incredible long-wavelength spectroscopy, JWST is reshaping our view of the early Universe.
Hubble revolutionized astronomy more than once. Here’s what we can expect from the James Webb Space Telescope.
Temperatures in the Sun’s core exceed 10 million degrees Celsius. But how on Earth did we actually come to know that?
Astronomy’s roots rest in the very origins of humanity. We have always looked to the skies for answers. We are starting to get them.
Einstein’s theory of general relativity introduced the concept of space having a shape. So, what is the shape of space?
The nearby, bright star Fomalhaut had the first optically imaged planetary candidate. Using JWST’s eyes, astronomers found so much more.
There are only a precious few minutes of totality during even the best solar eclipses. Don’t waste yours making these avoidable mistakes.
If there are human-sized creatures walking around on other planets, would we be able to view them directly?
Here in our Solar System, we only have one star: a singlet. For many systems, including the highest-mass ones, that’s anything but the norm.
Unexpected images of galaxies from the James Webb Space Telescope do not disprove the Big Bang. There are other likelier explanations.
The first observational evidence showing the Universe is expanding is 100 years old now: in 2023. Here’s the story of its 100th anniversary.
Nearly half of all stars are born in binary systems, with the most massive ones dying the fastest. It’s not pretty for the “second” star.
The center of the galaxy doesn’t just host stars and a black hole, but an enormous set of rich gassy and dusty features. Find out more!
2022 was another busy year in the realm of science, with groundbreaking stories spanning space, materials, medicine, and technology.
After years of analysis, the Event Horizon Telescope team has finally revealed what the Milky Way’s central black hole looks like.
2023 will see the launch of new rockets, the return of OSIRIS-REx, and a mission to Jupiter that could help us find extraterrestrial life.
The James Webb Space Telescope is about to begin science operations. Here’s what astronomers are excited about.
The highest-energy particles could be a sign of new, unexpected physics. But the simplest, most mundane explanation is particularly iron-ic.
It was supposed to have a 5.5-10 year lifetime, and take 6 months to calibrate. It’s performing better than anyone anticipated.
How fast is the Universe expanding? Two major methods disagree. New JWST data, just released, strengthens this Hubble tension even further.
With a telescope at just the right distance from the Sun, we could use its gravity to enhance and magnify a potentially inhabited planet.
Einstein’s relativity teaches us that time isn’t absolute, but passes relatively for everyone. So how do telescopes see back through time?
From when its light was emitted, the El Gordo galaxy cluster might be the most massive object in all of existence. Here’s how JWST sees it.
This first-of-its-kind image offers a detailed look at the magnetic fields within the Central Molecular Zone.
If you can identify a foreground star, the spike patterns are a dead giveaway as to whether it’s a JWST image or any other observatory.