Environment
El Niño and La Niña have occurred over the past 250 million years.
New modeling research shows that El Niño and La Niña that have existed for the past 250 million years have influenced Earth's climate.
Past
Browse ScienceInfo articles and explainers related to Past.
Topic archive
Articles about Past
891 published items.
Photo library
Old photos prove ancient people also had super interesting and rich lives
The life of ancient people was not boring but very interesting, fun and different from now.
Space science
Australia releases chemical composition data of nearly 1 million stars
Australian researchers have made 1.08 million observations of 920,000 stars over the past 10 years, collecting information about chemical components such as carbon, nitr…
Space science
13.8 billion year old 'ghost' pierces the Solar System
Objects born in the first second after the Big Bang could have just whizzed past and shaken planets in the Solar System.
Animal world
Bird of prey 'missing' for half a century discovered
The World Wildlife Fund (WWF) announced on September 13 that it had just discovered a species of bird of prey that was
Archeology
Should we open the world's oldest bottle of wine?
Over the past few years, contemporary historians have debated whether Speyer wine, the oldest known bottle of wine, should be opened.
Environment
Summer 2023 is the hottest in the past 2,000 years
With tree ring data in the Northern Hemisphere, experts estimated global temperatures since the 1st century and found the summer of 2023 to be record hot.
Space science
As the smallest planet in the Solar System, Mercury was once as big as Earth
Mercury, only 1/3 the size of Earth, is currently the smallest planet in the Solar System, but in the past, Mercury and Earth were the same size, until an incident occur…
Photo library
Photos change the view of history
Many historical photos are evidence that things that seemed to have only recently developed existed 80 - 100 years ago.
Animal world
Maybe you don't know: Turkeys were once worshiped as gods!
In the past, turkeys played an important role in the religious beliefs of the ancient Mayan civilization.
Environment
Research shows that one-fifth of the world's estuaries have disappeared in the past 35 years
Recent research shows that nearly half of the world's estuaries have been changed by humans and 20% of estuaries have disappeared in the past 35 years, especially in Asi…
Environment
During the holiday from April 30 to May 1, the whole country is hot like never before in the past 10 years
Statistics from the National Center for Hydrometeorological Forecasting show that in the past 10 years, there has never been a year when all three regions, North - Centr…
Oceanography
The world is experiencing mass coral bleaching
Coral reefs around the world are experiencing mass bleaching due to the climate crisis causing ocean temperatures to rise, two scientific agencies announced on April 15.
Space science
The NASA ship encountered a strange structure surrounding the Solar System
At what seemed to be the end of the solar system, the NASA New Horizons spacecraft discovered signs of a
History
Eighty-year history of American jet fighters
Over the past 80 years, air forces around the world have used five generations of jet fighters.