You asked

if the 'voice' of the heavens goes through all the earth, how does that relate to scientific knowledge?

Adds the setting and its conversation across both testaments.

Psalm 19:1-4

“The heavens declare the glory of God. The firmament shows his handiwork. Day after day pours forth speech, and night after night reveals knowledge. There is no speech nor language where their voice is not heard. Their line has gone out through all the earth, their words to the end of the world. In them he has set a tent for the sun.”

This psalm, often attributed to King David, celebrates creation as a form of divine revelation. It moves from the grand, silent witness of the cosmos to the intricate, life-giving law of God, exploring different ways that the divine communicates with humanity.

What does it mean for 'knowledge' to be revealed through the natural world, alongside and distinct from human scientific inquiry?

Then — the setting

Psalm 19 likely originated in ancient Israel, perhaps around the 10th-6th centuries BCE. It was part of Israel's worship and reflection on God's nature. For its original audience, the 'heavens' and 'firmament' were understood within an ancient cosmology—a solid dome separating waters above from waters below, holding celestial bodies. This was not a scientific description in our modern sense, but a poetic and theological one, testifying to a powerful creator whose work was visible daily. The psalm speaks to an agricultural society deeply connected to natural rhythms, for whom the sun, moon, and stars were immediate and powerful signs of order and predictability, indicating a transcendent power behind them.

Across the Testaments

This psalm from the Old Testament articulates a concept often termed 'general revelation' – the idea that God's existence and attributes can be perceived through the natural world. The New Testament affirms and expands on this. For instance, Romans 1:20 explicitly states that God's 'invisible attributes, namely, his eternal power and divine nature, have been clearly perceived, ever since the creation of the world, in the things that have been made.' This New Testament passage echoes Psalm 19, suggesting that humanity is without excuse because creation itself provides enough evidence for a creator. While the Old Testament psalmist praises creation as a testament to God's glory, the New Testament uses this concept to establish a universal accountability for recognizing God, setting the stage for the 'special revelation' found in Christ and the Scriptures.

Keep thinking

Read alongside it

Romans 1:20
Discusses how God's invisible qualities are clearly seen through what has been made.
Job 12:7-10
Suggests that asking the animals, birds, or earth can teach about God's power.
Isaiah 55:12
Uses the imagery of creation (mountains, hills, trees) rejoicing as a metaphor for God's redemptive work.

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