Planetary science and exploration

Researchers at MIT have proposed that liquids, such as ionic fluids, are “what’s important for extraterrestrial habitability, and not just water,” reports Gayoung Lee for Gizmodo. If confirmed, this research would “dramatically expand what’s considered the ‘habitable zone’ among known exoplanets,” writes Lee. “By current standards, the habitable zone is defined as the band within planetary systems in which liquid water can remain stable on the surface. When it comes to life, we’re understandably biased towards water; all life as we know it depends on it.”  

Guy Consolmagno '74, SM '75, director of the Vatican Observatory, speaks with Rebecca Mead of The New Yorker about his journey from suburban Detroit to MIT to his current role as the Pope’s Astronomer, and the intersection between science and religion. “If people think you have to be a weird kind of scientist to be religious, or a weird kind of religious to be a scientist, then we’ve missed the point,” says Consolmagno. “The point is that our faith—our ordinary faith—fits perfectly with our ordinary, but wonderful, delightful science.” 

Graduate student Isabella Macias speaks with CBS News about her experience studying astronomy and planetary formation at the Vatican Observatory. “The Vatican has such a deep, rich history of working with astronomers,” says Macias. “It shows that science is not only for global superpowers around the world, but it's for students, it's for humanity.” Br. Guy Consolmagno '74, SM '75, director of the Vatican Observatory, shares how he feels astronomy can help unite people around the world. 

Mashable reporter Elisha Sauers spotlights some of the exoplanets identified thus far in 2025, including BD+05 4868 Ab, a rocky exoplanet discovered by MIT astronomers that has a “comet-like tail stretching more than 5.5 million miles.” BD+05 4868 Ab is “about the size of Mercury and orbits its star every 30.5 hours,” Sauers explains. “At roughly 3,000 degrees Fahrenheit, the planet appears to be shedding material — about one Mount Everest’s worth per orbit — that becomes its tail.”

A study by researchers at MIT and elsewhere has proposed an alternative scenario to how life survived “Snowball Earth,” a “super ice age that froze the entire planet from poles to the equator” during the Cryogenian period, reports David Bressan for Forbes. “The scientists found that lifeforms could have survived the global freeze by thriving in watery oases on the surface,” explains Bressan.

Gizmodo reporter Isaac Schultz writes that MIT astronomers have uncovered the most distant galaxy ever detected, dubbed MoM-z14, using the James Webb Space Telescope. Schultz notes that MoM-z14 “isn’t just some dim smudge, either—it’s unexpectedly luminous, echoing a growing theme in JWST’s discoveries. MoM-z14 now joins a strange new class of young galaxies that shine far more brightly than anyone expected.” 

MIT astronomers have found evidence that a massive asteroid impact billions of years ago “may have briefly amplified the moon's old, weak magnetic field, leaving behind a magnetic imprint still detectable in lunar rocks,” reports Sharmila Kuthunur for Space.com. “While the moon once had a weak magnetic field generated by a small molten core, the team's research suggests it likely wouldn't have been strong enough on its own to magnetize surface rocks,” Kuthunur explains. “However, a massive asteroid impact may have changed that — at least briefly.”

Ars Technica reporter Jennifer Oulette writes that MIT researchers have found that a “large asteroid impact briefly boosted the Moon's early weak magnetic field—and that this spike is what is recorded in some lunar samples.” 

Researchers at MIT, including postdoctoral associate Marc Hon and research scientist Avi Shporer, have discovered a new disintegrating planet approximately 140 light-years away from Earth, reports Sarah Mesdjian for The Boston Globe. “The planet got so close to its star that the heat started evaporating its surface,” says Shporer. “The planet is not big enough to hold onto that material with its gravity.”

MIT astronomers have discovered a planet disintegrating at a rapid pace, reports Xinhua. “Roughly the size of Mercury, the planet orbits its host star at an extremely close distance - about 20 times closer than Mercury is to the Sun - completing a full orbit every 30.5 hours,” explains Xinhua. “Due to this intense proximity, researchers believe the planet is likely covered in molten magma, which is vaporizing and streaming into space.” 

MIT researchers have uncovered BD+05 4868 Ab, “a planet that is disintegrating into boiling chunks of rock and evaporating minerals,” reports Andrew Paul for Popular Science. “Astronomers have only identified three disintegrating planets before BD+05 4868 Ab, all of which were detected over a decade ago using data collected by NASA’s Kepler Space Telescope,” explains Paul. “The newest find is the most violent example yet, with the longest tail and deepest transits of the four known examples.”

Astronomers at MIT have discovered a rapidly disintegrating planet “with a comet-like tail,” reports Ian Randall for Newsweek. “The planet is orbiting so close to its star that researchers estimate it has a surface temperature around 3,000 degrees Fahrenheit, giving it a molten surface that is boiling off material into space, where this cools to form a long, dusty tail,” explains Randall. 

Astronomers from MIT and other institutions have discovered a “population of previously hidden galaxies that could shake up astrophysics,” reports Ian Randall for Newsweek. “If confirmed, this new population would effectively break all of our current models of galaxy numbers and evolution,” says graduate student Thomas Varnish. 

Graduate student Will Parker joins Dana Taylor of the USA Today podcast The Excerpt to discuss his research on the impact of climate change on satellites. “We're seeing a cooling effect in the upper atmosphere where most of our satellites are operating, and because of that cooling effect, we're seeing that the entire atmosphere is contracting, so it's retreating away from low Earth orbit where we rely on that atmosphere for drag on our satellites,” explains Parker. “The effect of that retreat, that shrinking of the atmosphere, is that it's not doing as good a job at cleaning out low Earth orbit, and again, we rely on that cleaning force because we have no other way to remove most of this debris.” 

Prof. Dava Newman, director of the MIT Media Lab and former NASA deputy director, speaks with Blake Burman of NewsNation’s The Hill about how long-duration stays in space can affect the human body and how NASA astronauts Suni Williams and Butch Wilmore will reacclimate to Earth’s gravity. “Gravity is something! When you haven’t been in gravity” for nine months, Newman explains, “it’s going to take a week or two, it takes a month until you really get your motor control back. So just slow adaptation now.”