Scientists have discovered an Earth-like planet orbiting a dead star 4,000 light years from here, giving us a humbling glimpse into Earth's likely fate.Published in Nature Astronomy, the planet, ...

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The bright object was likely a Starlink satellite burning up in Earth's atmosphere as it fell back toward our planet.

An image released from the European Space Agency (ESA) shows a rare perspective of Earth 180 million miles away on Mars.

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...

We know from The Lord of the Rings that Tolkien crafted endless stars in his legendarium, but are there other planets too?

Data from NISAR will improve our understanding of such phenomena as earthquakes, volcanoes, and landslides, as well as damage ...

Hot spots and tunnels to neighboring "superbubbles" seem to have been created by supernovas and infant star outbursts.

Astronomers have discovered a distant white dwarf with an Earth-like planet in an orbit just beyond where Mars is in our solar system. Earth could end up in such an orbit circling a white dwarf in ...

It sounds like something out of a science-fiction movie. For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus. The celestial object is more than just a ...

Four large asteroids will make their closest approaches to Earth on Thursday, each passing by the planet within a 24-hour time frame. Two had already zipped past early in the morning, according to ...