Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Short-lived radioisotopes such as aluminum-26 influenced early solar system heat, water retention and the formation of Earth-like rocky planets, according to meteorite analyses and models.

The universe is always moving. While we've found evidence of rogue black holes and planets, new research suggests that a passing star could be out there somewhere. Unfortunately, If it were to swing ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...

An encounter with a cold cloud of gas and dust could have caused our planet's "protective giant bubble" to draw back. When you purchase through links on our site, we may earn an affiliate commission.

Learn how you can say farewell to comet 3I/ATLAS as it passes by Earth on Dec. 19, 2025, and what we have learned during its brief visit near Earth.

Sometimes there are storms where the wind gets really strong, it might rain, or there might be thunder and lightning. Did you ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars. When you purchase through links on our site, we may earn an affiliate commission.

The "severe" solar storm in effect has the potential to trigger the northern lights, causing a stunning display of colors visible from parts of the U.S. Skyler Caruso is a Writer and Reporter of ...