Search query: past
Categories: All Categories
13142 records searched, 662 records found, 20 matches displayed
< Previous 20 articles Next 20 articles >
Search Hints:
- Use a + (plus sign) or - (minus sign) to include or exclude a word: +mars -venus
- Use a ? (question mark) as a wildcard for a single letter: te?t (test,text)
- Use a * (asterisk) as a wildcard for multiple letters: he*t (heat, heart)
- Use a ~ (tilde) to expand word endings: meteor~ (meteorite, meteorid, meteorology)
Most frequent words for articles published in the last 45 days:
developed (95),
climate (85),
team (83),
species (75),
cells (74),
used (72),
human (64),
help (61),
change (60),
water (60),
years (60),
data (57),
energy (55),
such (53),
carbon (51),
discovered (50),
time (48),
like (47),
materials (46),
even (44)
Published Mercury helps to detail Earth's most massive extinction event - Mercury Helps to Detail Earth's Most Massive Extinction Event


Scientists are working to understand the cause and how the events of the LPME unfolded by focusing o...
Published No, the human brain did not shrink 3,000 years ago - No, the Human Brain Did Not Shrink 3,000 Years Ago


Did the 12th century B.C.E. -- a time when humans were forging great empires and developing new form...
Published Holy Pleistocene Batman, the answer's in the cave - Holy Pleistocene Batman, the Answer's in the Cave


Examining a 3-meter stack of bat feces has shed light on the landscape of the ancient continent of S...
Published Geologist proposes the number of ancient Martian lakes might have been dramatically underestimated by scientists - Geologist Proposes the Number of Ancient Martian Lakes Might Have Been Dramatically Underestimated by Scientists


Though Mars is a frozen desert today, scientists have shown that Mars contains evidence of ancient l...
Published Ancient bacteria might lurk beneath Mars' surface - Ancient Bacteria Might Lurk Beneath Mars' Surface


Scientists found that ancient bacteria could survive close to the surface on Mars much longer than p...
Published Ancient climate change solves mystery of vanished South African lakes - Ancient Climate Change Solves Mystery of Vanished South African Lakes



New evidence for the presence of ancient lakes in some of the most arid regions of South Africa sugg...
Published Stalagmites trace climate history and impact from volcanic eruptions - Stalagmites Trace Climate History and Impact from Volcanic Eruptions


The soils and vegetation of Patagonia's fjord regions form a unique and highly sensitive ecosystem t...
Published European summer droughts since 2015 were most severe over centuries -- but multi-year droughts also happened in the past - European Summer Droughts: A Historical Perspective


The 2015--2018 summer droughts have been exceptional in large parts of Western and Central Europe ov...
Published Nealtican lava flow field, Popocatépetl volcano: A window to the past and future hazards - Nealtican Lava Flow Field, Popocatépetl Volcano: A Window to the Past and Future Hazards


The Popocatépetl volcano, located southeast of Mexico City, stands as the second highest peak in Mex...
Published Underwater jars reveal Roman period winemaking practices - Underwater Jars Reveal Roman Period Winemaking Practices


Winemaking practices in coastal Italy during the Roman period involved using native grapes for makin...
Published Upcycling in the past: Viking beadmakers' secrets revealed - Upcycling in the Past: Viking Beadmakers' Secrets Revealed



The Viking Age bead makers were more advanced than previously believed. A new interdisciplinary stud...
Published Uncovering the ritual past of an ancient stone monument in Saudi Arabia - Uncovering the Ritual Past of an Ancient Stone Monument in Saudi Arabia


A comprehensive analysis of an archaeological site in Saudi Arabia sheds new light on mustatils -- s...
Published Ancient giant amphibians swam like crocodiles 250 million years ago - Ancient Giant Amphibians Swam Like Crocodiles 250 Million Years Ago


Ancient 2m-long amphibians swam like crocodiles long before true crocodiles existed, according to a...
Published Ancient ostrich eggshell reveals new evidence of extreme climate change thousands of years ago - Ancient Ostrich Eggshell Reveals New Evidence of Extreme Climate Change Thousands of Years Ago


Evidence from an ancient eggshell has revealed important new information about the extreme climate c...
Published NASA's Perseverance rover investigates geologically rich Mars terrain - NASA's Perseverance Rover Explores Mars' Geologically Rich Terrain


NASA's Perseverance rover is well into its second science campaign, collecting rock-core samples fro...
Published Largest study of Asia's rivers unearths 800 years of paleoclimate patterns - Largest Study of Asia's Rivers Unearths 800 Years of Paleoclimate Patterns


The SUTD study will be crucial for assessing future climatic changes and making more informed water...
Published Evolution of tree roots may have driven mass extinctions - Evolution of Tree Roots May Have Driven Mass Extinctions



A study has found evidence that the evolution of tree roots over 300 million years ago triggered mas...
Published How the last 12,000 years have shaped what humans are today - How the Last 12,000 Years Have Shaped What Humans Are Today


While humans have been evolving for millions of years, the past 12,000 years have been among the mos ...
Published The history of Lake Cahuilla before the Salton Sea - The History of Lake Cahuilla Before the Salton Sea


Lake Cahuilla went through many cycles of filling and drying out over thousands of years. A new stud...
Published How Mars lost its oceans - How Mars Lost Its Oceans: The Story of a Drying Planet


It has long been known that Mars once had oceans due in part to a protective magnetic field similar...