Scientists have pulled back the curtain on one of the most extreme solar regions seen in decades, tracking it almost nonstop ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

I/ATLAS is a newly detected interstellar object that entered the solar system from outside our stellar neighborhood, ...

Using the James Webb Space Telescope, UK scientists have found an atmosphere on a red hot planet 280 light years away, in the ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

The word epiphany literally means manifestation. But not exactly in the 21st-century use of it. Manifestation in this sense means “things that appear.” ...

The most striking claim about 3I/ATLAS is its estimated age range of 8-14 billion years. This analysis, led by Michele ...

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Key takeawaysPlanets larger than Earth but smaller than Neptune are the most common kind in the galaxy, but because our solar ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the ...