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 ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

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.

Earth's closest cosmic companions, known as 'minimoons' or 'quasi-moons', could hold the secrets to the history of our early solar system. When you purchase through links on our site, we may earn an ...

At the ragged frontier where the Sun’s influence gives way to the galaxy, a decades‑old spacecraft has stumbled into a ...

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.

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 ...

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.

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

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.

Jupiter is the largest planet in the solar system, known for its massive size, strong gravity, powerful storms and many moons ...