A Hamas fighter steps out of a tunnel during a 2014 public demonstration of the group’s military abilities.
Yousef Masoud/SOPA Images/LightRocket via Getty Images
Tunnel warfare tends to lessen any advantages a stronger, more advanced attacker might otherwise expect – and to favor the defenders hidden underground.
The majority of fertilized eggs die and are resorbed into the body.
Human embryos are far more likely to die than come to term, an evolutionary trait seen across species. Laws granting personhood at conception ignore built-in embryo loss, with potentially grave consequences.
Crimean Tatars gathered for a rally commemorating the 70th anniversary of Stalin’s mass deportation, in Simferopol, Crimea, on May 18, 2014.
AP Photo/Alexander Polegenko
A scholar who spent many years living with the Crimean Tatars explains their long history of persecution.
The people of Afghanistan that the author encountered live very different lives from Americans.
Brian Glyn Williams
As American troops leave Afghanistan, a scholar of the country’s history and culture reexamines his photos of the nation’s people.
Long time there: U.S. troops maneuver around the central part of the Baghran river valley as they search for remnants of Taliban and al-Qaida forces on Feb. 24, 2003.
Aaron Favila/Pool/AP Photo
The Afghanistan War now has an end date: 9/11/21. Experts explain the history of US involvement in Afghanistan, the peace process to end that conflict and how the country’s women are uniquely at risk.
Afghan security forces gather near the site of an attack in Jalalabad in August 2020.
AP Photo/Rahmat Gul
Pulling out roughly half the U.S. troops in Afghanistan is part of an effort to find peace, but may unbalance a precarious stalemate.
Lubang Hitam adalah objek yang sangat kompak sehingga tidak ada yang bisa lepas dari tarikan gravitasinya, bahkan tidak ringan. Mereka terbentuk ketika bintang mati dan mulai runtuh di bawah berat badan mereka sendiri. Jauh di dalam Lubang Hitam berada objek yang sangat panas dan padat, yang disebut, singularitas.
Science Photo Library - MARK GARLICK/Getty Images
Hadiah Nobel 2020 di bidang fisika diberikan kepada tiga ilmuwan dari Inggris, Amerika, dan Jerman atas dedikasinya yang luar biasa dalam memahami objek paling misterius di angkasa: Lubang Hitam.
People look at the remains of an exploded vehicle that the Islamic State used as a suicide bomb, on display in Iran in September 2020.
Morteza Nikoubazl/NurPhoto via Getty Images
President Trump has claimed the Islamic State was completely defeated on his watch – but an analysis of government maps and other reports shows his administration did only half the work.
A black hole is an object so compact that nothing can escape its gravitational pull, not even light. They are formed when stars die and start collapsing under their own weight. Deep inside the black hole resides an infinitely hot and dense object, a so-called, singularity.
Science Photo Library - MARK GARLICK/Getty Images
The 2020 Nobel Prize in physics was awarded to three scientists – an Englishman, an American and a German – for breakthroughs in understanding the most mysterious objects in the universe: black holes.
An Iraqi militia member inspects the site of an Islamic State attack on Iraqi troops on May 3.
Ahmad Al-Rubaye/AFP via Getty Images
The Islamic State is asking its followers to worsen the global pandemic, and its fighters are celebrating the toll disease and racism are taking on US society.
Poor bone health is on the list of problems associated with diabetes.
Nngkhray Kracang Chay / EyeEm via Getty Images
Researchers are starting to understand why the bones of diabetic people are more prone to fractures.
Marijuana decriminalization won’t end arrests.
Decriminalizing medical and recreational marijuana may exacerbate racial inequality within the criminal justice system, among other things.
A group of Islamic State fighters surrender in Afghanistan. Many of their comrades are still in the fight.
Noorullah Shirzada/AFP via Getty Images
The Islamic State group, often called ISIS, is not just based in Iraq and Syria. A scholar tracks where the group and its affiliates have spread around the globe.
Artist’s rendering of a Jupiter-sized exoplanet and its host, a star slightly more massive than our sun. Image credit:
Scientists who discovered planets in far off stellar systems and the fundamentals of the Big Bang Theory have earned the 2019 Nobel Prize in Physics.
Lennie Skutnik, center front, at Reagan’s State of the Union address.
Since 1982, presidents have invited special guests to the State of the Union who they believe embody values around which the nation can rally.
Feel like traveling to another dimension? Better choose your black hole wisely.
Feel like visiting another star system or dimension? You can do this by traveling through a spacetime portal of a black hole. But you better choose carefully. All black holes are not created equal.
President Donald Trump speaks at a rally in Indiana.
AP Photo/Carolyn Kaster
Trump appeals to his base in a way that philosophers knew was effective thousands of years ago.
Dr. Who used the this time machine, called the TARDIS, to travel through space and time on the BBC television show Dr. Who.
Babbel1996 / Wikimedia Commons
Who wouldn’t want to travel in time, glimpsing the dinosaurs or peeking at humans 2,000 years from now? Now physicists have designed a time machine that seems deceptively simple.
The shrinking supply of Colorado River water is evident at the Hoover Dam on the border of Arizona and Nevada.
AP Photo/Ross D. Franklin
Taking millions of gallons of water permanently out of the Colorado River amid a prolonged drought would surely start an interstate fight.
There are nanometals in your washing machine.
Many socks, towels and other textiles are treated with silver nanoparticles to kill germs and odors. When the silver washes out, it can pollute waterways. Two chemists propose a way to collect it from wastewater.