A partial solar eclipse on Oct. 25 looked like an epic ring of fire when viewed by NASA's Hinode satellite, new footage reveals.
A magnitude 4 marsquake that rocked the Red Planet in 2021 is the result of a massive meteor impact, two new studies revealed.
The famous Arecibo Observatory in Puerto Rico completely collapsed in 2020. Now, scientists going through its final observations offer a major new asteroid report.
If Earth had no atmosphere, the moon would be visible all the time. So why is it only sometimes visible in daylight?
With three dark blotches popping up in the sun's atmosphere, our closest star seems to 'smile' even as it pelts our planet with charged-up solar wind.
Following years of increased government interest in unidentified aerial phenomena (UAPs), NASA has officially launched a nine-month investigation into uncovering their mysteries.
A NASA instrument designed to study dust has revealed that some of the largest methane clouds ever seen are floating over the US, Iran and elsewhere.
In June 2015, a little-known type of aurora cut a Grand-Canyon-size ozone hole in Earth's mesosphere. Scientists have finally assessed the damage.
New research suggests that signs of ancient Martian life could be out there – or rather, hidden just beneath the Martian surface, safe from harmful radiation.
On Tuesday, Oct. 25, half the world saw the moon's shadow creep over the surface of the sun in the year's last partial solar eclipse.
Do astronomers know which star is the oldest and which is the youngest in the universe? How can they tell?
The towering pillars of creation, captured by the James Webb Telescope, are a nursery of newborn stars that’s been slowly destroying itself for millions of years.
Astronomers stunned by 'brightest of all time' gamma-ray burst reckon it could be the most powerful space explosion since the Big Bang
A jet of particles released by two colliding stars appears to be moving seven times faster than the speed of light — but astronomers blame a cosmic illusion known as superluminal motion.
Our top picks of the best telescopes for stargazing, from hobbyist astronomy to serious skywatching.
A fully electronic, motorized alt-az mount telescope the Unistellar eVscope 2 is as beautiful as it is functional with instant access to the cosmos.
Astronomers have discovered that a potentially hazardous near-Earth asteroid, 3200 Phaethon, has an unusual accelerating spin that could eventually change its trajectory through the solar system.