Space science
Did humanity just witness its first space battle?
Earlier this week, Israel's Arrow 2 missile system reportedly intercepted and destroyed a ballistic missile on a trajectory outside the Earth's atmosphere.
Earth
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Articles about Earth
6,634 published items.
Discover science
Which planet is the largest in the Solar System?
It is the fifth planet from the Sun and the oldest of the planets.
Oceanography
Is the blue whale's heart really the size of a car?
There are many rumors that the largest animal on our planet - the blue whale - has a heart the size of a car, but this is not necessarily true.
Space science
What happens to dead bodies on Mars?
Living on Mars is already dangerous and difficult with many environmental challenges. Unfortunately, if you die on Mars, your body will become a natural mummy.
Space science
What would a day on the Moon be like for astronauts?
When the astronauts set foot on the Moon, they realized a shocking truth: in the one day they spent exploring that strange world, many days had passed on Earth!
Space science
The Sun goes into hibernation, will the Earth usher in a new ice age?
By observing changes in the number of sunspots, scientists have discovered that solar activity shows periodic changes.
Space science
9 billion light years away, 'space hole' facing Earthlings
Fifteen times larger than the full moon from Earth's perspective, the ghostly object's appearance has upset the laws of cosmology.
Space science
Earth once surfed the Milky Way's mysterious waves
Astronomers continue to discover strange things in the universe, and the latest is a phenomenon called Radcliffe Waves, and what's more interesting is that it once swept…
Space science
The strongest magnetic field in the universe may be right here on Earth.
This magnetic field is 10,000 times stronger than the strongest neutron star we know of, and 10 million million times stronger than a typical refrigerator magnet can pro…
Animal world
How many animals have ever existed on Earth?
There are about 8 billion people today, just a fraction of the number of people who have ever existed, let alone the number of animals that have ever lived on Earth.
Environment
How was the environment and climate of Earth during the dinosaur era different from today?
The climate on Earth is often variable and cyclical and so the world in the future may have a climate similar to that of the age of the dinosaurs.
Videos
Watch NASA probe 'capture' Martian sandstorm
Unlike on Earth, Martian dust storms are weaker and smaller, but play an important role in transporting dust across the planet.
Space science
Discovery of space object powerful enough to tear apart the Earth
A super member of a monster family that caused several mass extinctions on ancient Earth could create a real apocalypse on Earth-like planets.